Zhang walks in a straight line from the trail head at (0,0). He travels at an average rate of mi/h in the direction 30degrees west of north. What are the coordinates of Changsha location, relative to the trail head, after 4hours?

Somone me i want to know what 18 hours out of 24 hours in a fraction

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.

The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?