Andy is scuba diving. he starts at sea level and then descends 10 feet in 2 1/2 minutes. a. how would you represent andy's descend as a unit rate? express your answer as an integer. b. how much feet can he descend in 6 minutes?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before