Convert 27/100 to a percent.

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Ill mark the brainliest if you me with the these three questions 7,8,9

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.