Solve.The ratio of the length to the width of a rectangular plot is 7 to 5. Its diagonal measures  Find the dimensions of the plot.

A. Length: 24.5 ft; width: 17.5 ft
B. Length: 31.5 ft; width: 22.5 ft
C. Length: 28 ft; width: 20 ft
D. Length: 35 ft; width: 25 ft


Answer: C

Mathematics

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Simplify.(7x2 - 8x - 4) + (6x2 - 8x + 7)

A. 13x2 - 8x + 3 B. 42x2 - 8x + 3 C. 13x2 - 16x + 3 D. 13x4 - 16x2 + 3

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Solve by completing the square.4c2 + 7 = 16c

A.
B.
C.
D.

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Solve the equation. = 6

A. - 
B.
C.
D. - 7

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