6. SP. B.Se (2019) 4. The students in a class collected data on the number of minutes per day somec kids spend brushing their teeth., Their data is shown in the dot plot below. BRUSHING TEETH

Plz which expression is equivalent to the expression below?

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.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.