3Tools:★✎▥Because the instructions were _____, every group completed the task in the same way.AambiguousBpreciseCoptionalDsecret
4Tools:★✎▥Although the climb was _____, the hikers felt proud when they reached the summit.AeffortlessBarduousCbriefDordinary
6Tools:★✎▥If a number is increased by 6 and then doubled, the result is 30. What is the number?A6B9C12D18
8Tools:★✎▥A cyclist travels 18 miles in 1.5 hours at a constant rate. What is the rate?A9 mphB12 mphC15 mphD27 mph
9Tools:★✎▥A spinner has 8 equal sections, 3 of which are blue. What is the probability of not landing on blue?A3/8B5/8C3/5D5/3
10Tools:★✎▥Which expression gives the next term after n in the pattern 4, 9, 14, 19, ...?An + 4Bn + 5C2n + 1D5n
11Tools:★✎▥Mangrove roots slow waves and trap sediment. The sheltered water also provides young fish with places to hide. For coastal communities, protecting mangroves can therefore support both shorelines and fisheries.What is the main idea?AMangroves provide several connected coastal benefits.BAll fish live in mangroves.CSediment always harms shorelines.DCoastal communities should stop fishing.
12Tools:★✎▥The observatory opens its roof only when humidity is low and winds are calm, because moisture and vibration can interfere with measurements.Why does the observatory wait for calm, dry conditions?ATo reduce admission costsBTo protect measurement qualityCTo make the roof heavierDTo attract larger crowds
13Tools:★✎▥Eli brought an extra notebook to the interview and had written three questions on the first page.It can be inferred that EliAhad forgotten about the interviewBwanted to be preparedCplanned to leave earlyDdid not understand the topic
14Tools:★✎▥A passage first describes a problem, then compares two proposed solutions. Which structure does it use?AChronological narrativeBProblem and solution comparisonCCause without effectDDefinition and example only
15Tools:★✎▥The tiny machine is not a replacement for skilled technicians, but its ability to inspect narrow pipes makes it a useful addition to their tools.The tone is best described asAbalancedBmockingCalarmedDnostalgic