Solve the problem.An object in simple harmonic motion has a frequency of 
oscillations per second and an amplitude of 4 feet. Write an equation in the form d = a sin ?t for the object's simple harmonic motion.
A. d = 4 sin 
B. d = 4 sin 
C. d = 4 sin 
D. d = 4 sin 5?t
Answer: D
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Graph the integrand and use geometry to evaluate the integral.
A. 160 B. 80 C. 40 D. 8
Find the probability.Two dice are rolled. Find the probability that the sum is odd and the number on one of the dice is a 1.
A. 
B. 
C. 
D. 
Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 2 + 2i, z2 = 
- i
A. 4
B. 4
C. 4
D. 4
Solve the problem.A woman walks 100 yards eastward along a straight shoreline and then swims 30 yards southward into the ocean on a line that is perpendicular to the shoreline. Using her starting point as the pole and the east direction as the polar axis, give her current position in polar coordinates. Round the coordinates to the nearest hundredth. Express ? in degrees.
A. (11.40, -16.70°) B. (104.40, -88.28°) C. (104.40, -16.70°) D. (11.40, -88.28°)