Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent nonzero real numbers.(b-7)(b-3)
A.
B.
C. b10
D. b21
Answer: B
Mathematics
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Solve the equation.4 - 5x = -6
A. {2}
B.
C. {-2}
D.
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Solve the systems of equtions using the addition method.
A. {(-1, -6)} B. {(-2, -5)} C. no solution; ? D. {(-1, -5)}
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Plot the point.(4, -135°)
A.
B.
C.
D.
Mathematics
Find the product and write the answer in simplest form. Assume variables represent nonnegative values. ?
A. 10
B. 5
C. 5
D. 10
Mathematics