Simplify the given expression.7y2 + 7y2

A. 14y
B. 14y4
C. 14y2
D. y2

Answer: C

Mathematics

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A. 9 rackets B. 18 rackets C. 24 rackets D. 32 rackets

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Decide whether the number is prime or composite.9

A. Prime B. Composite

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Identify the expression as a polynomial or not a polynomial.7x -  + 18

A. Not a polynomial B. Polynomial

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Factor the polynomial. If the polynomial is prime, so state.m2 + mn - 56n2

A. (m + 8n)(m + 7n) B. (m - 8n)(m + 7n) C. (m + 8n)(m - 7n) D. (m - 8n)(m - 7n)

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