Solve the problem.A local phone company charges a connection fee of $1.59 plus $0.29 per minute for each phone call. If we let x represent the number of minutes spent on the phone, the equation that gives the cost (y) of each phone call can be represented by 
How much will a 23 minute phone call cost?
A. $36.86
B. $5.08
C. $6.67
D. $8.26
Answer: D
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Solve the problem.Find parametric equations for the normal line to the surface 
at the point 
A. 
B. 
C. 
D. 
Use the addition property of equality to solve the equation.-21 = f - 27
A. -6 B. 48 C. -48 D. 6
Solve the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring and 2 man-hours to make one SST ring. How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $40 and on an SST ring is $35?
A. 12 VIP and 12 SST B. 18 VIP and 6 SST C. 14 VIP and 10 SST D. 16 VIP and 8 SST
Solve the problem. First use front end rounding. Then find the exact answer.A particular model of side-loading washing machine costs $122 more than a top-loading machine. If the top-loading machine costs $254, find the cost of the side-loading machine.
A. Estimate: $200; exact: $132 B. Estimate: $400; exact: $376 C. Estimate: $130; exact: $132 D. Estimate: $370; exact: $376