Find the cube roots of 8i. Write the answer in a + bi form.

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?