Can someone please help me with all the questions?

W-16=-12 solve each one step equation plz

Write the slope intercept equation for line ab.

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.