Solve the problem.Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $96 for 3 days and 300 miles, while Mary was charged $168 for 5 days and 600 miles. What does Best Rental charge per day and per mile?
A. $23 per day and 9? per mile
B. $24 per day and 8? per mile
C. $8 per day and 24? per mile
D. $25 per day and 9? per mile
Answer: B
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Solve the problem.The shape and density of a thin shell are indicated below. Find the coordinates of the center of mass.Shell: portion of the sphere x2 + y2 + z2 = 16 that lies in the first octantDensity: constant
A. 
B. 
C. 
D. 
Solve.What percent of 130 is 45.5?
A. 350% B. 0.35% C. 3.5% D. 35%
Solve. Remember to insert units when writing your answer.One bag of pretzels weighs 
oz. How many pounds will 9 bags weigh?
A. 5
lb
B. 94
lb
C. 
lb
D. 5
lb
Write the best-fit linear model for the data.Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs. Find a linear function that approximates a student's current GPA as a function of his or her entering GPA.Entering GPACurrent GPA 
A. y = 2.51 + 0.329x B. y = 5.81 + 0.497x C. y = 4.91 + 0.0212x D. y = 3.67 + 0.0313x