Solve using any appropriate method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.7x + 2y = 9-8 + 2y = -7x

A. (7, 2)
B. (1, 1)
C.
D. No solution


Answer: D

Mathematics

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Perform the indicated operations and simplify the result. Leave the answer in factored form. - 

A.
B.
C.
D.

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Find the measure of the missing angle in the figure.

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Mathematics

Write the binomial expansion of the expression.(3x + 5)3

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Mathematics