4x + 8y - z=10
3x- 8y+ 9z= 14
7x + 6y+ 5z=0

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

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.

For what value of (y) is 3^3/3^y =1/9