Simplify the expression, using only positive exponents in your answer. 

A.
B.
C.
D. 4x - 28y2


Answer: A

Mathematics

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Solve for x and y: x + 3y = 7; 2x + y = 10

a.

b.

c.

d.

e.

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Find the value of the limit for the sequence given.

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Write the number as indicated.An ocean covers approximately three million, six hundred sixty-nine thousand, seven hundred square miles. Write the number using digits.

A. 3,669,007 B. 3,669, 070 C. 3,669,700 D. 3,000,669,700

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Factor out the largest common factor.3n2 + 6n - 24

A. 3(n2 + 2n - 8) B. 3(-n2 - 2n + 8) C. 3n(n - 6) D. 3(n2 + 2n - 24)

Mathematics