Solve the direct variation.If n varies directly as the square of m and n = 48 when m = 4, what is the value of n when m = -5?
A. -75
B. 60
C. -60
D. 75
Answer: D
Mathematics
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Solve the problem.For the given stock investment, find the total dividend amount:
A. $90 B. $5400 C. $3000 D. $240
Mathematics
Find the focus and directrix of the parabola with the given equation.x = 3y2
A. focus: 
directrix: x = - 
B. focus: 
directrix: x = 
C. focus: 
directrix: x = - 
D. focus: 
directrix: y = - 
Mathematics
Perform the indicated operations.(9x6 + 4x5 - 17) - (4x6 + 10x5 - 7)
A. 5x6 - 6x5 - 10 B. -11x11 C. 5x6 + 8x5 - 24 D. 5x6 - 6x5 - 24
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics