In mr. martinez's sixth period class, there are 8 boys and 12 girls. what is the probability of randomly selecting a girl?

Solve |x| > -9 a) {x|x< -9 or x> 9} b) all reals c) no solution

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Find the midpoint m of z1=(8+5i) and z2=(12+3i)