I need help with this I put this out 3 times I need help

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second

Me i’m stuck on all these questions besides the two bottom ones

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same