Express the statement as an equation involving the indicated variables.The volume V of a sphere is 
times ? times the cube of the radius r.
A. V = 
?r
B. V = 
?r2
C. V = 
?r3
D. V = 
? 
Answer: C
Mathematics
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Factor completely.36x2 - 60x + 25y2
A. (6x - y)2 B. (5x - 6y)2 C. Prime D. (5x + 6y)2
Mathematics
Find the maximum or minimum value of the given objective function of a linear programming problem. The figure illustrates the graph of the feasible points.Objective Function: z = 5x + 7yFind maximum and minimum. 
A. maximum value: 37; minimum value: 21 B. maximum value: 72; minimum value: 15 C. maximum value: 72; minimum value: 21 D. maximum value: 37; minimum value: 15
Mathematics
Graph the function and its inverse on the same Cartesian plane.f(x) = log1/4 x
A. 
B. 
C. 
D. 
Mathematics
Use the graph to evaluate the expression.f(2)
A. Undefined B. -10 C. -5 D. 5
Mathematics