Solve.-21 = -56y
A. y = 
B. y = - 
C. y = - 
D. y = 
Answer: D
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Completely factor the polynomial or state that the polynomial is prime.9x2 - 39x - 30
A. prime B. (9x + 6)(x - 5) C. 3(3x + 2)(x - 5) D. 3(3x - 2)(x + 5)
Use a calculator to evaluate the expression. If necessary, round answers to the nearest thousandth. (0.83)5.5
A. 0.903 B. 0.36 C. 0.369 D. 0.359
Change the exponential expression to an equivalent expression involving a logarithm.43 = x
A. log4x = 3 B. log3x = 4 C. log43 = x D. logx4 = 3
Find a formula for the inverse of the function described below.A size 52 dress in Country C is size 14 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 2(x - 12) B. f-1(x) = x + 12 C. f-1(x) = 2x + 12 D. f-1(x) = 2(x + 12)