Write the answer as a product with a whole number greater than 1

Negative 5 1/12 + negative 4 1/4 + 6 3/4

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.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]