Randy rode his bike 1.23 miles to school from his house. after school, he rode 0.9 miles farther to the library. randy biked home along the same route stopping at a park 1.05 miles from the library. how many miles is the park from randys house

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.

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

The area of a circle is equal to 1 dm². find the radius of the circle.