Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.ax +by = x +y = 

A.
B.
C.
D.


Answer: A

Mathematics

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Use a calculator to perform the operation. Express your answer in scientific notation.

A. 1.39 × 10-3 B. 1.39 × 10-11 C. 1.39 × 10-1 D. 1.388728918 × 10-11

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A. 2.96 B. 1.86 C. 6.5 D. 1.97

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A. 5 + 2x B. 2 + 5x C. 10 + x D. 10x

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