Solve the problem.Find the sum of the first 5 terms of the geometric sequence 
, 
, 
, . . . .
A. 
B. 
C. 
D. 21
Answer: C
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Solve the problem.A bike road race starts at an elevation of 610 feet and passes through 5 stages where the elevation changes by 87 feet, -707 feet, -325 feet, 239 feet, and -70 feet. At what elevation does the race end?
A. -2038 feet B. 1399 feet C. 2038 feet D. -166 feet
Solve and check.x2 = 25
A. -5 B. -5, 5 C. -5, 0, 5 D. 5
Use the trigonometric substitution to rewrite the algebraic expression as a trigonometric function of ?, where 
.
?
?
A. 16 cos ? B. 16 sin ? C. 4 sin ? D. - 4 sin ? E. 4 cos ?
Suppose a report by U.S. News and World Report states that 25% of all employee credentials examined were falsified. If this is true, what is the probability that at least 79 of 240 employees hired during a year had falsified their credentials? Round your answer to four decimal places. ?
A. ?0.2594 B. ?0.9971 C. ?0.0029 D. ?0.0366 E. ?0.0042