Please help. you don’t have to give me a explanation. it’s fine. but please help.

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

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.