In order to determine how American undergraduate college students feel about eliminating spring break in order to finish spring term a week early, a survey was conducted. Two hundred undergraduate students from the University of Miami (FL) were interviewed. Both of the interviewers hired to conduct the survey were told to interview 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors. Of the 200 students interviewed, 20% were in favor of the elimination of spring break, 70% were opposed, and 10% had no opinion.The sampling frame for this survey
A. does not overlap the target population.
B. is the same as the target population.
C. is larger than the target population.
D. is smaller than the target population.
E. none of these
Answer: D
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Find the indicated term.3, -9, 27, . . . ; the 10th term
A. -19,683 B. 177,147 C. -59,049 D. -531,441
Multiply.
? 
A. 
B. 
C. 1
D. 
Translate the situation into mathematical language. You need not actually solve the problem.A commercial jet has been instructed to climb from its present altitude of 8000 feet to a cruising altitude of 30,000 feet. If the plane ascends at a rate of 2000 ft/min, how long will it take to reach cruising altitude?
A. Let t represent the number of minutes to reach cruising altitude; 
B. Let t represent the number of minutes to reach cruising altitude; 
C. Let t represent the number of minutes to reach cruising altitude; 
D. Let t represent the number of minutes to reach cruising altitude; 
Use a calculator to evaluate the expression. Round your answer to the nearest thousandth.|2 - ?2|
A. -9.881 B. 7.87 C. 9.882 D. -7.87