Jin is taking a multiple choice test with a total of 50 points available. Each question is worth exactly 2 points. What would be Jin's test score (out of 50) if he got 4 questions wrong? What would be his score if he got xx questions wrong?

(a) solve h+2/6 = h-3/4(b) solve the following simultaneous equations. 2x = y + 66x - 2y = 13x = ? y = ?

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.

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way