1Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1The table summarizes members of a local organization by age and whether they live north or south of Center St. If a member of the organization is selected at random, what is the probability that the selected member is at least 45 years old?ABCD
2Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1Which expression is equivalent to 8(x2 + 6) ?A8x2 + 48B8x2 + 14C8x2 + 6D8x2 + 2
3Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1For the linear function f, the graph of y = f(x) in the xy-plane has a slope of and passes through the point (0,7). Which equation defines f?ABCD
4Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1The function f is defined by . What is the value of f(36)?A12B13C14D15
5Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1For the given equation, which table gives three values of x and their corresponding values of y?5x - 4y = -60ABCD
6Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1A geologist estimates that the volume of a boulder is greater than 14.6 cubic feet but less than 18.6 cubic feet. The geologist also estimates that the boulder weighs 160 pounds per cubic foot of volume.Which inequality represents this situation, where x represents the estimated total weight, in pounds, of the boulder?ABCD
7Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1A rectangular region of land is divided into 88 square lots of equal area R, in square units. The length of the region is 5.5 times the width of the region. If the width of the region is units, what is the value of x?A2B3C4D5
8Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1If 48 = 18 + 2(x - 9), what is the value of 2(x - 9)?A18B24C30D39
9Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1In triangle ABC, the measure of angle A is 53°, the measure of angle B is 90°, and the measure of angle C is . What is the value of k?A37B45C74D106
10Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1The scatterplot shows the relationship between two variables, x and y. A line of best fit is also shown.Which of the following is closest to the slope of this line of best fit? A-4.5B-1.1C1.1D4.5
11Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1The expression 54y5 - 36y4 is equivalent to ry4(9y - 6), where r is a constant. What is the value of r?A3B4C5D6
12Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1The equation gives the estimated stock price y, in dollars, for a certain company x days after the company went public, where 0 ≤ x ≤ 20, which statement is the best interpretation of (x,y) = (1,70) in this context?y = 0.25x2 - 7.5x + 77.25AThe company's estimated stock price increased every day after the company went publicBThe company's estimated stock price increased every 70 days after the company went publicC1 day after the company went public, the company's estimated stock price is D70 days after the company went public, the company's estimated stock price is
13Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1The total mass, in kilograms, of r identical objects is t. Which expression represents the total mass, in kilograms, of 112r of these objects?A112 - tB112 + tCD112t
14Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1If , what is the value of 6x2?A6B8C48D288
15Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1The function w models the volume of water, in milliliters, in a container t seconds after it begins draining from a hole at the bottom. According to the model, what is the predicted volume, in milliliters, draining from the container each second? w(t) = 600 - 3tA3B200C597D600
16Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1Line k is shown in the xy-plane. Line j (not shown) is perpendicular to line k. What is the slope of line j?A3/4B-3/4C4/3D-4/3
17Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1The equation gives the corresponding temperature h, in degrees Fahrenheit, of any substance that has a temperature of v kelvins, where v > 0, if a substance has a temperature of 539.33 degrees Fahrenheit, what is the corresponding temperature, in kelvins, of this substance?A552B553C554D555
18Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1A circle in the xy-plane has its center at (19,16) and has a radius of 8k. Which equation represents this circle?A(x - 19)2 + (y - 16)2 = 64kB(x - 19)2 + (y - 16)2 = 64k2C(x - 19)2 + (y - 16)2 = 8kD(x - 19)2 + (y - 16)2 = 8k2
19Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1In the triangle shown, , what is the value of ? A84/83B/83C/84D83/84
20Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1Parallelogram ABCD is similar to parallelogram PQRS. The length of each side of parallelogram PQRS is 2 times the length of its corresponding side of parallelogram ABCD. The area of parallelogram ABCD is 30 square centimeters. What is the area, in square centimeters, of parallelogram PQRS?A32B60C120D900
21Tools:★✎▥Chapter 85 · 2024.10 : A-C(analysis included) · MATH 1The function r is defined by the given equation. The function s is defined by s(t) = r(t)+ 1, which expression represents the maximum value of s(t)?ABCD