Another angle math problem. I just don’t get it ‍♀️ Help please.

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 of the following are accepted without proof in a logical system? check all that apply.

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?