Solve. Clear decimals first.6.42x + 51.36 = 4.28x + 34.24
A. -16
B. 8
C. -8
D. 16
Answer: C
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Solve the problem.The total cost of owning and operating a mini-van when you have driven 6000 miles is 
while the total cost when you have driven 10,000 miles is 
. Find and interpret the slope of the line connecting the points (6000, 2000) and (10,000, 3333.33).
A. The cost decreases $12 per mile. B. The cost increases $0.33 per mile. C. The cost decreases $3.00 per mile. D. The cost increases $12 per mile.
Solve the inequality 
. Round your answer to two decimal places.
?
A. ?
B. 
C. ?
D. ?
Evaluate the improper integral or state that it is divergent.
A. 0.3333 B. -4.667 C. -2.3333 D. Divergent
The scores on a 30-point multiple-choice exam are given in the following frequency table:
The third quartile on the exam is
A. 27.5. B. 28. C. 26.5. D. 27. E. none of these