Randall did a survey, and found out that 3 times as many of his classmates know how to swim compared to those who do not. what percent of the class know how to swim? a) 2596 b) 33% c) 67% d) 75%

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