Simplify the expression.

A.
B.
C.
D.

Answer: A

Mathematics

Solve the problem.The voltage E in an electrical circuit is given by E = 5.7 cos 110?t, where t is time measured in seconds. Find the amplitude.

A. 5.7 B. 110? C. 11.4 D. 110

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Mathematics

Add.510.15 + 0.9994 + 28 + 1.9097 + 82.462

A. 623.5211 B. 623.5201 C. 623.6211 D. 622.5217

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Mathematics

Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(3)(3)

A. 9y²
B. 9y
C. 9
D. 3y²

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Mathematics

Solve the equation.6(x + 6) = (6x + 36)

A. 0 B. 72 C. all real numbers D. no solution

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Mathematics