I NEED HELP ASAP which of the following is the area in square units of a triangle with coordinates E(3,7) F (3,2) G (8,2)

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Which one is true about the hexagons ?