Acell phone company has a basic monthly plan of $40 plus$0.45 for any minutes used over 700 john saw he was charged $48.10 how many minutes dud he use dueing the month

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.

Can someone me with the property questions for 12 13 and 14 plz

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0