Complete the factoring.x2 - 11x + 28 = (x - 7)(
)
A. 7 - x
B. x - 4
C. x + 4
D. x2 + 7
Answer: B
Mathematics
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Write the complex number in polar form.9 + 12j
A. 15(cos 233.1° + j sin 233.1°) B. 15(cos 306.9° + j sin 306.9°) C. 15(cos 53.1° + j sin 53.1°) D. 15(cos 126.9° + j sin 126.9°)
Mathematics
Simplify.6(3n3 -4n2) + 2n(-8n2 + 6n) -4n2(n + 5)
A. -2n3 + 8n2 B. -22n3 - 12n2 C. -2n3 - 32n2 D. 14n3 - 60n2 + 8
Mathematics
Solve the problem.Evaluate 
at (x, y, z) = (5, 2, 2) for the function u(p, q, r) = p2 - q2 - r; p = xy, q = y2, r = xz.
A. 18 B. 38 C. 42 D. 22
Mathematics
Draw the angle in standard position and state the quadrant in which the terminal side of the angle lies or the axis on which the terminal side of the angle lies.- 
A. Quadrant II
B. Quadrant III
C. Quadrant III
D. Quadrant II
Mathematics