Evaluate the expression, given x = -2, y = 3, and a = -4.
A. Undefined
B. - 
C. 
D. 0
Answer: A
Mathematics
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Graph the system of inequalities, and find the coordinates of the vertices.3y - x ? 9,y + 2x ? 10,y ? 0
A. 
B. 
C. 
D. 
Mathematics
For the given polynomial function, find the requested value.f(x) = 9x2 + 5x - 5; find f(2)
A. 23 B. 31 C. 41 D. 37
Mathematics
Factor the sum or difference of two cubes.512x3 - 729
A. (8x - 9)(64x2 + 81) B. (8x + 9)(64x2 - 72x + 81) C. (512x - 9)(x2 + 72x + 81) D. (8x - 9)(64x2 + 72x + 81)
Mathematics
Solve the equation.-(3y + 7) - (-2y + 1) = -3
A. {-5} B. {9} C. {5} D. {11}
Mathematics