Find the exact value of y, or state that y is undefined.y = cos-1
A. 
B. 
C. 
D. 
Answer: B
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For the given investment, assume that there is no opportunity for reinvestment of returns. Find the monthly return, annual return, or annual percentage return as indicated.
Find the annual return.
A. $5.36 B. $7.20 C. $6429.60 D. $64.30
Solve the variation problem.The distance it takes to stop a car varies directly as the square of the speed of the car. If it takes 112 feet for a car traveling at 40 miles per hour to stop, what distance is required for a speed of 
per hour?
A. 194.37 feet B. 182.41 feet C. 182.07 feet D. 156.06 feet
Determine whether the given point is on the graph of the equation.Equation: x2 - y2 = 64Point: (8, 8)
A. Yes B. No
Factor the GCF out of the given expression.72x9y9 - 108x5y4 + 24x7y2
A. 12x5(6x4y9 - 9y4 + 2x2y2) B. 12x5y2(6x4y7 - 9y2 + 2x2) C. 12x(6x9y9 - 9x5y4 + 2x7y2) D. 12(6x9y9 - 9x5y4 + 2x7y2)