Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.3
+ 3i
A. 6( cos 150° + i sin 150°)
B. 6( cos 30° + i sin 30°)
C. 6( cos 330° + i sin 330°)
D. 6( cos 60° + i sin 60°)
Answer: B
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Multiply.0.05 × 0.08
A. 0.00004 B. 0.004 C. 0.4 D. 0.04
Solve the problem.Suppose that the systolic blood pressure of 23-year-old women is normally distributed with a mean of 120 mmHg and a standard deviation of 13 mmHg. What is the standard error in the mean for all samples of 168 of these 23-year-old women?
A. 1.187 B. 0.077 C. 1.774 D. 1.003
Determine whether the specified paradox occurs.A small country consists of 7 provinces with the following populations: 
There are 300 federal judges to be apportioned according to the population of each province. Does the Alabama paradox occur using Hamilton's method if the number of judges is increased from 300 to 301?
A. Yes B. No
Perform the indicated operation and express in lowest terms.
- 
A. 
B. 
C. 
D. 2x + 4