Solve.-6b + 8 + 4b = -3b + 13
A. b = -8
B. b = 5
C. b = -13
D. b = 13
Answer: B
Mathematics
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Evaluate the expression.(-675) ÷ 75
A. -19
B. 9
C. - 
D. -9
Mathematics
Find the inverse of the function.f(x) = 
, x ? -7
A. f-1(x) = x2 - 7, x ? 0 B. f-1(x) = x2 - 49, x ? 0 C. f-1(x) = -x2 + 7, x ? 0 D. Not a one-to-one function
Mathematics
Factor the polynomial as a perfect square or state that it is irreducible.49x2 - 70x + 25
A. (7x + 5)(7x - 5) B. (7x + 5)2 C. (7x - 5)2 D. (7x - 6)2
Mathematics
Use properties of real numbers to simplify the expression: (- 6) - (8 – 14).
a. -28 b. 1 c. 0 d. -12
Mathematics