Find the missing vertex (5,3) (-5,3) (-5,-1)

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?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.