Me i really need a truck with a heavy load drove from boston to new york at a speed of 40 mph. after unloading, it returned from new york to boston at a speed of 60 mph. what was the average speed for the whole 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.

What is the graph of the absolute value equation ? y=|x|-5

How can i differentiate this equation?