The circumference of the great circle of a sphere is 24 pi .What is the volume of the sphere ?

Someone . me. compound probability

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%