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 75° + i sin 75°)
B. 10(cos 50.9° + i sin 50.9°)
C. 7(cos 50.9° + i sin 50.9°)
D. 7(cos 75° + i sin 75°)
Answer: A
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Solve the problem. Round to the nearest hundredth, if necessary.Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. A vending machine will only accept coins weighing between 5.49 g and 5.82 g. What percentage of legal quarters will be rejected?
A. 1.43% B. 2.13% C. 0.57% D. 1.4%
Provide an appropriate response.List the factor pairs of 36 and write all the factors in order from smallest to largest.
A. 1 × 36; 1, 2, 3, 4, 6, 9, 12, 18, 36 B. 1 × 36, 6 × 6; 1, 6, 36 C. 1 × 36, 2 × 18, 3 × 12, 4 × 9, 6 × 6; 1, 2, 3, 4, 6, 9, 12, 18, 36 D. 1 × 36, 3 × 12, 6 × 6
Simplify the complex fraction.
A. 
B. 
C. 
D. 
State whether the vectors are parallel, orthogonal, or neither.v = i + 
j,
w = i - 4j
A. Parallel B. Orthogonal C. Neither