Without simplifying , select all the expressions that represent a rational number . 4 2/3 - (sqrt(4))/8; 4 2/3 * 8/(sqrt(3)); 4 2/3 / ((sqrt(4))/8); 4 2/3 * (sqrt(3))/9; 4 2/3 + (sqrt(3))/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.