HELP :/ could someone explain?,,,

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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.

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply