Solve the problem.In a 1-mile race, the winner crosses the finish line 12 feet ahead of the second-place runner and 27 feet ahead of the third-place runner. Assuming that each runner maintains a constant speed throughout the race, by how many feet does the second-place runner beat the third-place runner? (5280 feet in 1 mile.)
A. 15.03 ft
B. -12.06 ft
C. 3.01 ft
D. -15.08 ft
Answer: A
Mathematics
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Find all the roots of the complex number. Put answers in standard form.Cube roots of -8
A. -2, -1 + 
j, -1 - 
j
B. -2, 1 + 
j, -1 - 
j
C. -2, -1 - 
j, 1 - 
j
D. -2, 1 + 
j, 1 - 
j
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Simplify.9 ? 42 - 7(9 + 6) - 
A. 2064
B. 
C. 
D. 48
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Determine if the function is increasing or decreasing over the interval indicated.y = -6x3 ; x < 0
A. Increasing B. Decreasing
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Perform the indicated conversion within American units of length.22 yd 2 ft = 
ft
A. 24 ft B. 28 ft C. 68 ft D. 46 ft
Mathematics