An oil tank has to be drained for maintenance. the tank is shaped like a cylinder that is
3.5 ft long with a diameter of 1.4 ft. suppose oil is drained at a rate of
1.5 ft3 per minute. if the tank starts completely full, how many minutes will it take to empty the tank?

use the value 3.14 for π, and round your answer to the nearest minute. do not round any intermediate computations.

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.