1/2 (n + 4) = 6 whats n?

Write a polynomial for a third-degree polynomial with leading coefficient -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.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?