Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 8y = -20 and 32x + 12y = 11
A. Parallel
B. Perpendicular
C. Neither
Answer: B
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For which value of x does 
reach a maximum? Restrict your attention to the horizontal span of 0 to 5. Round your answer to two decimal places.
?
A. 1.41 B. 15.89 C. 0.36 D. 19.55
Solve the problem.Suppose you pay $2.00 to roll a fair die with the understanding that you will get back $6.00 for rolling a 6 or a 2, nothing otherwise. What are your expected winnings?
A. $6.00 B. $2.00 C. $0.00 D. -$2.00
The width of a painting in a museum is 3 feet 6 inches. Express this measure in inches.
A. 42 inches B. 39 inches C. 75 inches D. 9 inches
Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $491 B. $576 C. $745 D. $322