Use the facts that 
to find the value of the logarithm.
?
?
A. 1.9868
B. -2.1776
C. -2.3010
D. -2.7331
Answer: C
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State whether the given pair of expressions are like terms. If they are like terms, add them.5y10, -8y9
A. No B. Yes; -3y9 C. Yes; -3y19 D. Yes; -3y10
Use slack variables to convert the constraints into linear equations.Maximizez = 2x1 + 8x2subject to:x1 + 4x2 ? 15 3x1 + 7x2 ? 25with:x1 ? 0, x2 ? 0
A. x1 + 4x2 + s1 = 15 3x1 + 7x2 + s1 = 25 B. x1 + 4x2 + s1 = 15 3x1 + 7x2 + s2 = 25 C. x1 + 4x2 + s1 ? 15 3x1 + 7x2 + s2 ? 25 D. x1 + 4x2 = s1 + 15 3x1 + 7x2 = s2 + 25
Solve the equation. Express radicals in simplest form.(4z - 1)2 = 
A. 
, - 
B. 
, 
C. 
, - 
D. 4, -2
Solve the problem.A box with an open top is formed by cutting squares out of the corners of a rectangular piece of cardboard and then folding up the sides. If x represents the length of the side of the square cut from each corner, and if the original piece of cardboard is 14 inches by 12 inches, what size square must be cut if the volume of the box is to be 144 cubic inches? 
A. x = 6 in. B. x = 4 in. C. x = 3 in. D. x = 8 in.