Find the reciprocal.
A. -1
B. -15
C. 
D. 15
Answer: D
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Solve.Scott set up a volleyball net in his backyard. One of the poles, which forms a right angle with the ground, is 8 feet high. To secure the pole, he attached a rope from the top of the pole to a stake 12 feet from the bottom of the pole. To the nearest tenth of a foot, find the length of the rope.
A. 8.9 ft B. 208 ft C. 4.5 ft D. 14.4 ft
Translate the given formula to an English phrase using the word "varies".r = 
, where r is the rate by which distance d is covered in time t
What will be an ideal response?
Solve the problem.Mark can remember only the first 5 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark were to dial all of the possible numbers and if it takes him 17 seconds to try each one, how long would it take to try every possibility?
A. 25.5 min B. 2.8 min C. 28.3 min D. 5.7 min
Perform the indicated operation and, if possible, simplify. Assume that all variables represent positive real numbers. 
(
+ 4
)
A. 
- 44
B. 
+ 44
C. 
- 4
D. 
+ 4