Who is the volume of a sphere that has the radius of 3 inches

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

25 ! i need asap! ! ill mark brainliest!

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events