PLEAS HELPPP A department store sells a pair of shoes with an 87% markup.
If the store sells the shoes for $193.21 then what is their non-markup price?

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

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.