Solve the problem.Find a polynomial for the the shaded areas of the figure.

A. (? - 4)r2 
B. ?r2
C. (? - 1)r2
D. (4 - ?)r2


Answer: D

Mathematics

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Find the length of the curve.x = 4 cos t, y = 4 sin t, 0 ? t ? ?

A. 4? B. 16? C. ? D. 8?

Mathematics

Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 - 8x + 16y = -71

A. (h, k) = (-4, 8); r = 9 B. (h, k) = (8, -4); r = 9 C. (h, k) = (-8, 4); r = 3 D. (h, k) = (4, -8); r = 3

Mathematics

Find all rational zeros of the polynomial.P(x) = x4 - 6x3 + x2 - 9x + 

A.
B. - , 1, 3
C. - , - , 1, 3
D. , 1, 3

Mathematics

Simplify.2 + 

A.
B.
C.
D.

Mathematics