Points A and B are 70 km apart on a highway , a car starts from point A and another car starts from point B simultaneously. If they travel in the same direction, they meet in 7 hrs, but if they travel towards each other, they meet in 1 hour. Find the speed of 2 cars ?​

Which choice represents the sample space ,s for this event

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.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?