Someone answer this I’ll give you brainlest if you answer my question correctly

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 is the point slope form of a line with slope -5 that contains point (2,-1)

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?