You have 90$ in your pocket and you spent 30% of your money on a new football. How much was the cost of the football?

What is the value of x in the diagram 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.

Write the equation in logarithmic form 8^x=64