Traveling the Lower Mississippi upstream with American Cruise Lines ships from New Orleans, LA to Natchez, MS takes 7 days. Traveling the same distance takes 5 days going downstream. How many days would it take the raft to float from Natchez, MS to New Orleans, LA?

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank