Solve the problem. If necessary, round to the nearest tenth, unless intructed otherwise.A painter leans a ladder against one wall of a house. At what height does the ladder touch the wall?
A. 4.9 ft
B. 48 ft
C. 9.8 ft
D. 12 ft
Answer: C
Mathematics
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Factor completely.8x2 - 48x + 72
A. 8(x - 3)2 B. 8(x + 3)2 C. (8x - 48)2 D. Prime
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Find a formula for the function graphed.
A. 
B. 
C. 
D. 
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Solve the system.3w + x - 2y + z = 4-w + 3x + y - 3z = 44w - x + 3y + 2z = 17 w + x - 3y - z = 0
A. (-4, -2, 4, 3) B. (-1, 3, 3, 1) C. (4, -2, 0, 3) D. (4, -1, 2, -3)
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Evaluate the expression.
A. -19 B. -3 C. 3 D. 4
Mathematics