Evaluate the expression when x = 5, y = -2, and t = 8.

A.
B.
C. - 
D.


Answer: A

Mathematics

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Find the domain and range of the function.g(z) = -1 - 

A. D: (-?, ?), R: (-?,-1] B. D: [0,?), R: (-?,-1] C. D: (-?,0], R: [-1,?) D. D: (-?,-1], R: (-?, ?)

Mathematics

Divide the monomials.

A. 18k2 B. 18 C. 4k D. 4k2

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Solve the formula for the specified variable.S = 2?rh + 2?r2  for h

A. = S - r
B. = 
C. = 2?(S - r)
D. =  - 1

Mathematics

For the following systems of equations in echelon form, tell how many solutions there are in nonnegative integers.3x + 2y + 2z = 170  y - 4z = 10

A. 15 B. 5 C. 6 D. 7

Mathematics