Solve the problem.Ramp A climbs steadily for 23 yards over a horizontal distance of 320 yards. Ramp B climbs steadily for 11 yards over a horizontal distance of 190 yards. Which ramp is steeper?
A. Ramp A
B. Ramp B
C. Neither
Answer: A
Mathematics
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Match the graph to one of the listed functions. 
A. f(x) = -x2 + 6 B. f(x) = -x2 + 6x C. f(x) = x2 + 6 D. f(x) = x2 + 6x
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Solve the problem.Find the scalar projection of u = 4i + 5j on v = i + j.
A. 9
B. 
C. 
D. - 
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Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.x - 8y + z = 23x - y + 2z = 6
A. 
B. 
C. ?
D. 
Mathematics
Solve the problem.The manufacturer of a CD player has found that the revenue R (in dollars) is
when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?
A. $950,625 B. $1,901,250 C. $237,656 D. $475,313
Mathematics