15 Select the correct answer.
What is the simplified form of ?
A. 2pi/3

B. 3pi/v5

C. 2pi/ v10
D. 2pi/3v5

If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2

Find the value of the variable and the length of each secant segment.

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.