Pls help it's due in 20 minutes Which equations represents possible ways to begin solving for x. Check all that apply

Draw out the fraction then show how you would subtract 5 1/4

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

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.