Square numbers between 300 and 400

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking:

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket