Solve the problem.A circular hole is filled with concrete to make a footing for a load-bearing pier. The hole measures 17 inches across and requires 1.6 bags of concrete in order to fill it to ground level. What is the depth of the hole? Round your answer to the nearest inch. (One bag of concrete, when mixed with the appropriate amount of water, makes 1800 in.3 of material.)
A. 10 in.
B. 13 in.
C. 17 in.
D. 19 in.
Answer: B
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Completely factor the polynomial or state that the polynomial is prime.x2 + 50x + 625
A. (x + 25)(x - 25) B. (x + 25)2 C. (x - 25)2 D. x2 + 50x + 625
Find an equation of variation for the given situation.y varies jointly as x and the square of z, and y = 60.9854 when x = 0.2 and z = 4.9
A. y = 13.2x
B. y = 14.9xz2
C. y = 2.54x2z2
D. y = 12.7xz2
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(4x + 1)3
A. 64x3 + 1 B. 64x3 + 32x2 + 8x + 1 C. 64x3 + 96x2 + 12x + 1 D. 64x3 + 48x2 + 12x + 1
Solve.A paperweight is in the shape of a square-based pyramid 13 centimeters tall. If an edge of the base is 
find the volume of the pyramid.
A. 732
? cu cm
B. 732
cu cm
C. 2197 cu cm
D. 8788 cu cm