pls i need help Perform the indicated operation. Express the answer in simplest form. Show all necessary work. -2 1/3+ -1 3/4

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.

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

The area of a circle is equal to 1 dm². find the radius of the circle.