Find zw or 
as specified. Leave your answer in polar form.z = 5(cos 35° + i sin 35°)w = 2(cos 40° + i sin 40°)Find zw.
A. 10(cos 50.9° + i sin 50.9°)
B. 7(cos 75° + i sin 75°)
C. 10(cos 75° + i sin 75°)
D. 7(cos 50.9° + i sin 50.9°)
Answer: C
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Use a computer algebra system (CAS) to solve the given initial value problem.y' = 2x2 sin x, y(0) = 2
A. y = -2x sin x cos x + 2 sin2 x + 2x2 + 2 B. y = -2 cos x2 + 4 C. y = -2x cos x + 2 sin x + 2 D. y = -2(x2 - 2) cos x + 4x sin x - 2
Solve the equation.
x = 72
A. 
B. 
C. {81}
D. 
Construct a probability model for the experiment.Spinner I has 4 sections of equal area, numbered 1, 2, 3, and 4, and Spinner II has 4 sections of equal area, labeled Red, Yellow, Green, and Blue. Spin Spinner I and then spin Spinner II.What is the probability of getting a 1 or 3 followed by Red?
What will be an ideal response?
Evaluate the sum. 
A. -6 B. -30 C. 30 D. 81