Solve the problem. Leave your answer in polar form.z = 10(cos 45° + i sin 45°)w = 5(cos 15° + i sin 15°)Find zw.
A. 5(cos 30° + i sin 30°)
B. 5(cos 60° + i sin 60°)
C. 50(cos 30° + i sin 30°)
D. 50(cos 60° + i sin 60°)
Answer: D
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Answer the following statement(s) true (T) or false (F)
Teachers should define the mode as, "The most frequently occurring number in a data set."
Solve the inequality. Graph the solution on a number line and represent the solution in interval notation when possible.-6(6x - 12) < -42x + 36
A. x ? -6
(-?, -6]
B. x ? -6
[-6, ?)
C. x < -6
(-?, -6)
D. x > -6
(-6, ?)
Solve the problem.Find the area A and circumference C of a circle of radius 3 mi.
A. A = 9? mi2; C = 6? mi B. A = 36? mi2; C = 3? mi C. A = 12? mi2; C = 3? mi D. A = 6? mi2; C = 6? mi
Find the slope and y-intercept of the line.x = -1
A. slope undefined; y-intercept = -1 B. slope = 0; y-intercept = -1 C. slope undefined; no y-intercept D. slope = -1; y-intercept = 0