Find the indicated sum.

A. - 
B. - 
C.
D.


Answer: A

Mathematics

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Write percent as decimal.86.73%

A. 8.673 B. 86.73 C. 0.08673 D. 0.8673

Mathematics

Find the focus and directrix of the parabola with the given equation.x2 = -16y

A. focus: (0, -4) directrix: y = -4 B. focus: (0, 4) directrix: y = -4 C. focus: (0, -4) directrix: y = 4 D. focus: (-8, 0) directrix: x = 4

Mathematics

Solve the system of equations.

A. x = 2 - z y = z + 2 z = any real number B. x = z + 2 y = z - 2 z = any real number C. x = z + 2 y = 2 - z z = any real number D. inconsistent (no solution)

Mathematics

Factor completely. State that the polynomial is prime if it cannot be factored.x2 - 3x - 40

A. (x - 5)(x + 8) B. (x + 5)(x - 8) C. (x - 5)(x + 1) D. prime

Mathematics