What is the area of a regular octagon with a side length of 5 m and a distance from the center to the vertex of 6.5 m ?

2-digit numbers less than 91 which are 1 less than a multiple of 10

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.

Solve the equation. then check your solution 8=1.88+a