Evaluate the integral.
A. 84
B. 112
C. 56
D. 42
Answer: C
Mathematics
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Evaluate.-8 + 12 - (-20)
A. -40 B. 24 C. -16 D. -24
Mathematics
Factor: 2a2 + 2ab - 12b2
a. (2a + 2b)(a - 6b) b. (2a - 3b)(a + 4b) c. (a + 3b)(2a - 4b) d. (a - 3b)(2a + 4b) e. (2a + 3b)(a - 4b)
Mathematics
An object attached to a coiled spring is pulled down a distance a from its rest position and then released. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up.a = 16;
T = 8 seconds
A. d = -16 cos 
B. d = -8 cos 
C. d = -16 sin 
D. d = -16 cos 
Mathematics
Classify the angle as acute, obtuse, right, or straight.
A. Acute B. Right C. Straight D. Obtuse
Mathematics