Simplify.
A. ±5
B. 11
C. 25
D. 5
Answer: D
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Convert the following.45 months to years and months
A. 5 yr and 9 mo B. 3 yr and 9 mo C. 4 yr and 9 mo D. 3 yr and 10 mo
Use the table to answer the question.Let y be the value of a computer (in hundreds of dollars), when it is x years old. Some pairs of values are listed in the table below.
Find an equation that describes the relationship between x and y.
A. y = 0.25x - 8 B. y = -0.25x C. y = -0.25x - 8 D. y = -0.25x + 8
Find a formula for the inverse of the function described below.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group and C(x) is in dollars.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Find the perimeter or circumference.A circle whose radius measures 12 ft (Use 3.14 for ? .)
A. 144 ft B. 452.16 ft C. 75.36 ft D. 37.68 ft