1. W+ 4 = 16 2. X+7 = -12
3. -15 + w=6
4. z-5- 8
5. -2 = y -9
6. 7q = 35
7. 46 = -52

Help me

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

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.

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.