Solve.A customer paid $12.54 in sales tax on a set of chairs that cost $418. What was the sales tax rate?
A. 3%
B. 4%
C. 0.3%
D. 5%
Answer: A
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Sketch the logarithmic function.f(x) = 2 log5x
A. 
B. 
C. 
D. 
Solve the problem.Two plumbers make house calls. One charges $85 for a visit plus $40 per hour of work. The other charges $65 per visit plus $50 per hour of work. For how many hours of work do the two plumbers charge the same?
A. 2 hr B. 1 hr C. 1.5 hr D. 2.5 hr
Solve the problem.Linda needs to have her car towed. Little Town Auto charges a flat fee of $50 plus 
per mile towed. Write a function expressing Linda's towing cost, c, in terms of miles towed, x. Find the cost of having a car towed 10 miles.
A. c(x) = 3x; $53 B. c(x) = 3x + 50; $70 C. c(x) = 3x + 50; $80 D. c(x) = 3x; $30
Find the indicated term using the given information.12, 10, 8, ... ; a26
A. -38 B. 64 C. -40 D. 62