Multiply and simplify. Assume that all variables represent nonnegative numbers.
2
A. 10z
B. z10
C. 2z
D. z20
Answer: B
Mathematics
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Find the indicated composite for the pair of functions.f(x) = 3x + 9; g(x) = 3x - 1Find (f?g)(x).
A. 9x + 8 B. 9x + 12 C. 9x + 6 D. 9x + 26
Mathematics
Factor out the GCF from the polynomial.27y3 - 9y2 + 12y
A. 3y(9y3 - 3y2 + 4y) B. 3(9y3 - 3y2 + 4y) C. y(27y2 - 9y + 12) D. 3y(9y2 - 3y + 4)
Mathematics
Insert < or > to write a true statement.-0.833 
-0.667
A. -0.833 > -0.667 B. -0.833 < -0.667
Mathematics
Evaluate.122 + 53
A. 149 B. 159 C. 39 D. 269
Mathematics