Factor the perfect square.16x2 - 40xy + 25y2
A. (4x + 5y)2
B. (4x - 5y)(4x + 5y)
C. (16x + 1)(x + 25)
D. (4x - 5y)2
Answer: D
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Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Using the decreasing-time algorithm to schedule this project with two processors results in a finishing time of
A. 22 hours. B. 21 hours. C. 24 hours. D. 26 hours. E. none of these
Round the money amount to the specified place.$0.08822 to the nearest cent
A. $0.00 B. $0.09 C. $0.08 D. $1.00
Graph the system of inequalities.x2 + y2 ? 9x2 + y2 ? 4
A. 
B. 
C. no solution
D. 
Given the area of a rectangle and its specified length or width, use an appropriate formula to find the requested measurement.The area of a rectangular piece of plywood is 30 in.2, and the width is 6 in. Find its length.
A. 4 in. B. 24 in. C. 8 in. D. 5 in.