Perform the indicated operations, expressing the answer in simplest form with rationalized denominators. 

A. 3
B.
C.
D. 9


Answer: A

Mathematics

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Express the repeating decimal number as a quotient of two integers.1.0

A.
B.
C.
D.

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Use rational equations to solve the problems.Martha can rake the leaves in her yard in 3 hours. Her younger brother can do the job in 5 hours. How long will it take them to do the job if they work together?

A.  hr
B.  hr
C.  hr
D. 5 hr

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Find the perimeter. Use 3.14 for ? when needed.

A. 99 in. B. 228 in. C. 70 in. D. 94 in.

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Solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.

A. x = -5, y = -2 B. x = 2, y = -5 C. x = -5, y = 2 D. Inconsistent

Mathematics