i desperately need !

explain how to solve this.

if sasha can run 720 yards in 4 minutes, how many feet can she run in 15 seconds?

it's on my homework that's due today and i don't understand it!

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?