Find the commission earned or the rate of commission. Round money answers to the nearest cent if necessary.Sales: $396 Commission: $19.80
A. 5%
B. 6%
C. 7%
D. 0.5%
Answer: A
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Add or subtract as indicated.(13x + 29xy - 10y) - (24x - 5xy - 17y)
A. 30xy B. -16x + 11xy + 27 C. -11x + 34xy + 7y D. -11x - 34xy - 27y
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercepts: (-4, 0) and (4, 0) , y-intercept: 
B. x-intercepts: (-4, 0) and (4, 0) , y-intercept: 
C. x-intercept: (0, 0) , y-intercept: (0, 0) ;
D. x-intercept: (0, 0) , y-intercept: (0, 0) ;
Find the prime factorization of the number.30
A. 6 ? 5 B. 3 ? 3 ? 2 C. 2 ? 3 ? 5 D. 2 ? 2 ? 5
Find the indicated cross product.v = -6i - 5j - 4k, w = -4i + 2kFind v × w.
A. -10i + 28j - 20k B. 20i - 32j + 30k C. -20i + 10j - 28k D. -10i - 4j + 20k