Solve.The cost of renting a certain type of car is $31 per day plus $0.12 per mile. Find a linear function that expresses the cost C of renting a car for one day as a function of the number of miles driven x.
A. C(x) = 0.12x + 31x
B. C(x) = 0.12x + 31
C. C(x) = 31x + 0.12
D. C(x) = (x + 0.12) + 31
Answer: B
Mathematics
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Write the expression in lowest terms.
A. 3 B. 3k2 C. 2k2 D. 2k
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Solve the equation.81k2 - 16 = 0
A. 
, - 
B. 4, 0
C. 
, 0
D. 
, - 
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Perform the conversion. Round to the nearest hundredth when necessary.45 qt to L
A. 54.00 L B. 42.57 L C. 20.43 L D. 47.70 L
Mathematics
Based on past experience, the manager of the VideoRama Store has compiled the following table, which gives the probabilities that a customer who enters the VideoRama Store will buy 0, 1, 2, 3, or 4 videocassettes. How many videocassettes can a customer entering this store be expected to buy?
a. E = 0.56
b. E = 0.66
c. E = 0.91
d. E = 0.86
Mathematics