Solve the problem.A set of chairs costs $262. The sales tax is $18.34. What is the sales tax rate?
A. 8%
B. 7%
C. 0.7%
D. 9%
Answer: B
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Write a formula for the nth term of the geometric sequence.
, - 
, 
, - 
, . . .
A. an = 
n - 1
B. an = 
n - 1
C. an = 
- 
(n - 1)
D. an = 
n - 1 - 
Convert the radian measure to degrees. Round to the nearest hundredth.-5.4
A. -618.60° B. -309.60° C. -618.80° D. -309.40°
Solve.When the temperature stays the same, the volume of a gas is inversely proportional to the pressure of the gas. If a balloon is filled with 216 cubic inches of a gas at a pressure of 14 pounds per square inch, find the new pressure of the gas if the volume is decreased to 54 cubic inches.
A. 52 pounds per square inch
B. 
pounds per square inch
C. 42 pounds per square inch
D. 56 pounds per square inch
Express as a single logarithm.logcm + logcn
A. logc(mn)
B. logc
C. logcmn
D. logcm ? logcn