which of the following expressions are equivalent? why? if an expression has no match write 2 equivalent expressions to match it. a. 2(x+4) b. 8+2x c. 2x+4 d.3[x+4]-?(4+z) e. z+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.