Find the net cost. Round to the nearest cent.$124.70 less 30/40
A. $54.70
B. $37.41
C. $93.53
D. $52.37
Answer: D
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Decide whether the two sequences of operations give the same result.Squaring a number, then multiplying it by 5; multiplying a number by 5 and then squaring the product
A. No B. Yes
Solve the problem.Suppose that the accompanying table shows the velocity of a car every second for 8 seconds. Use Simpson's Rule to approximate the distance traveled by the car in the 8 seconds. Round your answer to the nearest hundredth if necessary.
A. 144.33 ft B. 146.33 ft C. 108 ft D. 145.5 ft
Identify the problem with the method used to obtain a random sample.Denis is interested in the opinions of students at his university regarding life after death. He obtains an alphabetical listing of names of all students at the university. He obtains a sample of 10 students by choosing every 1000th name from the list.
A. Choosing every 1000th name will lead to bias in the sample. Not all of students on the list have the same chance of being selected. B. The sample is too small. C. The sample is biased because the students on the list will not be representative of all students.
Solve the problem.In a school survey, students showed these preferences for instructional materials. Answer the question. 
About how many students would you expect to prefer radio in a school of 300 students?
A. About 108 students B. About 15 students C. About 5 students D. About 54 students