Simplify the following expression.
?

?
A. 1
B. x6y?4
C.
D. 4
E.
Answer: A
Mathematics
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Estimate by rounding as directed.5.1 + 1.8235 + 8.5398; nearest one
A. 15.4 B. 15 C. 16.4 D. 16
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Solve.The roof of a building is in the shape of the hyperbola where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.A = 3 m
A. 64 m B. 13 m C. 3.6 m D. 8 m
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Solve the system of equations.5x + 4y + z = 323x - 3y - z = 94x + y + 3z = 30
A. (3, 1, 5) B. (5, 3, 1) C. (1, 5, 3) D. (5, 1, 3)
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