If a point (-3\5,b) is on the graph of the equation 2x+3y=6 and also on the graph of y=x+3 what is the value of b?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.