joseph traveled from Boston to Framingham at 50 mph and then back to boston at 40 mph, What was Joseph average speed on the round trip

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.

Mila's dog weighs 4 pounds more than 8 times the weight of keiko's dog. which expression could be used to fine te weight of mila's dog?

Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?