Solve.A box is made from a rectangular piece of metal with length 10 inches and width 6 inches. The box has no top. 
Find a polynomial that gives the volume of the box for a given x.
A. 4x3 - 32x2 + 60x
B. 4x3 + 32x2 + 60x
C. 4x2 - 32x + 60
D. 60x
Answer: A
Mathematics
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Perform the indicated operation involving cylindrical coordinates.Write the equation r2 - z2 = 36 in rectangular coordinates.
A. x2 + y2 = -36 B. x2 + y2 + z2 = 36 C. x2 + y2 = 36 D. x2 + y2 - z2 = 36
Mathematics
Evaluate the expression.0 - (-2)
A. 4 B. 0 C. -2 D. 2
Mathematics
Solve the inequality, and graph the solution set.(x - 4)(x + 2) > 0
A. (-?, -4) ? (2, ?)
B. (-2, 4)
C. (-?, -2) ? (4, ?)
D. (-2, ?)
Mathematics
Factor the polynomial by substitution.6y4 + 5y2 - 6
A. (3y2 - 2)(2y2 + 3) B. (2y - 3)(3y + 2) C. (6y2 - 2)(y2 + 3) D. (3y2 + 1)(2y2 - 6)
Mathematics