Use the distributive property to rewrite the expression. Simplify if possible.5(8x + 9y + 4)

A. 40x + 9y + 20
B. 40x + 9y + 4
C. 40x + 45y + 4
D. 40x + 45y + 20


Answer: D

Mathematics

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Divide. Express the quotient as a mixed number in lowest terms. -4 ÷ 2

A. -1 
B. -2 
C. -1
D. -1 

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For the given equation, determine the values of a, b, and c, the direction in which the parabola opens, and the y-intercept.f(x) = -6x2 + 4x

A.

B.

C.

D.

Mathematics

Determine the x- and y-intercepts on the graph of the equation.y = 13(x + 4) + 3

A. x-intercept is - ; y-intercept is 55
B. x-intercept is ; y-intercept is 49
C. x-intercept is ; y-intercept is -55
D. x-intercept is - ; y-intercept is -55

Mathematics

A night watchman visits 8 offices every night. To prevent others from knowing when he will be at a particular office, he varies the order of his visits.In how many ways can this be done?? ?

A. ?20,160 B. ?8 C. ?1 D. ?5,040 E. ?40,320

Mathematics