Factor the sum or difference of two cubes.375x4 - 24xy3
A. 3(5x - 2y)(25x2 + 10xy + 4y2)
B. 3x(5x + 2y)(25x2 - 10xy + 4y2)
C. 3x(5x - 2y)(25x2 - 10xy + 4y2)
D. 3x(5x - 2y)(25x2 + 10xy + 4y2)
Answer: D
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Find the vertex, focus, and directrix of the parabola with the given equation.(x - 1)2 = 20(y - 3)
A. vertex: (-1, -3) focus: (-1, 2) directrix: y = -8 B. vertex: (3, 1) focus: (3, 6) directrix: y = -4 C. vertex: (1, 3) focus: (1, -2) directrix: x = 8 D. vertex: (1, 3) focus: (1, 8) directrix: y = -2
Solve the problem. Round to the nearest cent.A director of accounts received an invoice for $414.04, dated November 14, with sales terms 4/8 ROG. The merchandise described on the invoice was received December 9. Find the cash discount and net amount paid if the invoice was paid January 5.
A. Cash discount: $16.56; net amount: $397.48 B. Cash discount: $33.12; net amount: $380.92 C. Cash discount:$16.16; net amount: $403.04 D. Cash discount: $0; net amount: $414.04
Find the sum, if it exists.
A. 
B. 
C. 
D. Does not exist
Find the equation of the quadratic function that has the given vertex and given point on its graph.Vertex: (-2, -3) through: (-5, 24)
A. P(x) = -3x2 + 12x + 3 B. P(x) = 3x2 + 12x + 9 C. P(x) = 3x2 + 2x + 3 D. P(x) = -5x2 - 12x - 9