Solve the problem.The diagonal d (from the lower back corner to the upper front corner) of a rectangular solid, like the one shown below, is given by d = 
A rectangular shipping crate has a diagonal of 52 inches. If the longest side of the crate is 4.0 times the shortest side, and the other side is 4.0 in. longer than the shortest side, find all measurements of the crate, to the nearest inch. 
x x + 4.0 4x
A. 13 in., 17 in., 52 in.
B. 20 in., 48 in., 52 in.
C. 12 in., 16 in., 48 in.
D. 20 in., 21 in., 80 in.
Answer: C
Mathematics
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Solve the system by the elimination method.2x + 6y = -5-10x - 30y = 25
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Mathematics
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Mathematics