Solve.A promotional deal for phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $48 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 7
B. 660
C. 1260
D. 2
Answer: B
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Convert the polar equation to a rectangular equation.r = 
A. 17x2 + 16y2 - 16x - 64 = 0 B. 16x2 + 16y2 + 16x - 64 = 0 C. 15x2 + 16y2 + 16x - 64 = 0 D. 16x2 + 15y2 + 16y - 64 = 0
Solve the problem.The height h in feet of a frisbee thrown is given by 
, where x is the time traveled in seconds. The frisbee is released at a height of 
At what time will the height of the frisbee be 
again? (Round your answer to the nearest tenth of a second, if necessary.)
A. The height of the frisbee will never be 3 feet again. B. 10.1 sec C. 5.1 sec D. 12.5 sec
Find fractional notation for the ratio. You need not simplify.At an advertising agency that employs 253 people, 108 employees receive 2 weeks of paid vacation each year. Find the ratio of those who receive 2 weeks of paid vacation to those whose paid vacation is not 2 weeks.
A. 
B. 
C. 
D. 
Solve the equation.-7x - 81 = 2x - 9
A. {-9} B. {-8} C. {9} D. {8}