Two lines intersecting at a right angle

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

What is x and y intercepts for y=x+7

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.