The probability of at least 43 boys

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

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.