Given a = {a, b, c}, how many subsets does a have including ∅?
a. 4
b. 7
c. 8

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.

Factor the expression using gcf 9b+45

Solve this problem! extra ! 3025/5.5 = a/90.75