Find the area of the rectangle.  18 centimeters

A. 648 sq cm
B. 72 sq cm
C. 319 sq cm
D. 324 sq cm


Answer: D

Mathematics

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Solve the problem.Find parametric equations for an object that moves along the ellipse  +  = 1 with the motion described.The motion begins at (0, 2), is clockwise, and requires 4 seconds for a complete revolution.

A. x = 2 cos (?t), y = 2 sin (?t), 0 ? t ? 4
B. x = 2 sin (?t), y = 2 cos (?t), 0 ? t ? 4
C. x = 2 sin (4?t), y = 2 cos (4?t), 0 ? t ? 4
D. x = 2 sin (?t), y = -2 cos (?t), 0 ? t ? 4

Mathematics

Solve the problem.If f(x) = 2x, find f[log2 (ln 2)].

A. 0 B. 2ln 2 C. log2 2 D. ln 2

Mathematics

Solve the equation. -  = 

A. m = -10 B. m = -9 C. m = -6 D. m = -5

Mathematics

Answer the question.Label -4 and the opposite of -4 on the number line.

A.

B.

C.

D.

Mathematics