Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.

A.
B.
C.
D. x6y6

Answer: A

Mathematics

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Solve the initial value problem.y'(t) + 7y = 3, y(0) = 1

A. y = e-7t + 
B. y = e7t + 
C. y = e7t + 
D. y = e-7t + 

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Determine whether the diagram could represent a function.

A. Yes B. No

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Find the perimeter of the figure.A rectangle 80 cm × 110 cm

A. 17,600 cm B. 320 cm2 C. 380 cm D. 190 cm2 

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Evaluate the exponential expression.-53

A. -15,625 B. -125 C. 625 D. 125

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