Ananya swims 10 miles at each of her practice sessions. How long is a practice session if she swims at an average speed of three times slower than m miles per hour?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?