Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(8a)(5a2)
A. 40a3
B. 40a4
C. 13a3
D. 8a + 5a2
Answer: A
Mathematics
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Factor completely.9x2 + 43x - 10
A. (x + 5)(9x - 2) B. (x - 5)(9x - 2) C. (2 - 9x)(9x - 2) D. (9x - 12)(9x - 2)
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For the given Hindu-Arabic numeral, write an equivalent numeral in the indicated system.1100; Egyptian
A. 
B. 
C. 
D. 
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Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 2
B. 
C. 27
D. 
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Solve the quadratic inequality by graphing an appropriate quadratic function.x2 - 2x - 15 < 0
A. (-3, 5) B. (-?, -3) ? (5, ?) C. (5, ?) D. (-?, -3)
Mathematics