Write a formula for the function described.Function Y computes the number of square yards in x square feet.

A. Y(x) = 9x
B. Y(x) = 
C. Y(x) = x - 9
D. fY(x) = 


Answer: B

Mathematics

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Write the number in standard notation.6.21 × 105

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Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.

A.
B.
C.
D.

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Mathematics