Simplify by writing the expression using only positive exponents.
A. - 
B. - 
C. - 
D. - 
Answer: B
Mathematics
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A. False B. True
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Find the perimeter of the rectangle or square. 
A. 36 cm B. 18 cm C. 12 cm D. 24 cm
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Find the least common denominator of the rational expressions.
and 
A. (x + 5)2 B. x(x + 5)2 C. x(x + 1)(x + 5) D. x(x + 5)
Mathematics
Find the indicated sum.-3 + 1 + 5 + 9 + 13 + . . . + (4n - 7)
A. n(4n - 7) B. n(2n - 5) C. n(4n + 7) D. n(2n + 5)
Mathematics