I need help with this please

Solve for x, y, and z. show all steps.

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

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.