Z=x+yi makes a complete turn on circumference(x-4)²+y²=4,in the trigonometric sense, starting a(2.0).what variation did your arg undergo?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Ten times the square of a non-zero number is eqaul to ninety times the number

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8