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