Look at pic 10 pts will mark brainilest AND WILL HELP OUT

What is the volume of the sphere shown below with a radius of 3?

Need on this one asap im almost done with this subject

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?