How's everyone day? I hope its good ​

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i