Find the nth term of the geometric sequence with the given values.a = 1215, r = - 
, n = 9
A. - 
B. 
C. - 
D. 
Answer: B
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Solve the problem.Find the work done by a force of 20i (newtons) in moving an object along a line from the origin to the point 
(distance in meters).
A. 107.7 joules B. 100.0 joules C. 99.20 joules D. 21.54 joules
Represent the angle algebraically.If an angle measure is x°, represent 2 times its supplement algebraically.
A. 2(180 + x) B. 2(90 - x) C. 2(180 - x) D. 2x
Solve the problem.Bud and John each make birdhouses. Bud makes 5 each day and John makes 7 each day. If Bud starts 2 days before John, how many more days will it be until both men have made the same number of birdhouses?
A. 35 B. 7 C. 5 D. 1
As part of a study on the metabolism of athletes, 400 college basketball players are randomly chosen and their weights taken. The distribution of the weights is approximately normal. The average weight is 215 pounds and the standard deviation is 15 pounds.Approximately how many players had weights between 215 and 225 pounds?
A. 50 B. 25 C. 20 D. 100 E. none of these