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