The system of equations 4x-y=4(x+1) , y = 6 has: a. one solution b. infinitely many solutions c. no solution

On a architect's drawing of a house, 1 inche representa 1.5

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.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers