Imissed math class today and i am very confused and don’t know where to start. on all the problems starting with v would be amazing, you so much!

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

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?