Help PLEASE WITH A P E X

Write 17/20 as a decimal and as a percent.

Can someone me with the property questions for 12 13 and 14 plz

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.