Simplify the expression.
A. 
B. 25
C. 
D. 
Answer: C
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Solve the formula for the specified variable.A = 2?rh + 4?r for h
A. h = 
B. h = A - 4?r
C. h = 
D. h = A - 4?r - 2?r
Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Translate the situation into mathematical language. You need not actually solve the problem.A piece of wire 46 feet long is to be cut into three pieces, the second piece 4 times as long as the first, and the third piece 4 times as long as the first. How should the wire be cut?
A. Let m be the length of the first piece of wire; m(4)(4) = 46 B. Let m be the length of the first piece of wire; m + 4m + 4m = 46 C. Let m be the length of the first piece of wire; 4m + 4m = 46 D. Let m be the length of the first piece of wire; m(4m)(4m) = 46
Factor.25x2 + 60xy + 36y2
A. (5x + 6y)2 B. (5x - 6y)2 C. Prime D. (5x + 6y)(5x - 6y)