How many solutions does this linear system of equations have? -3x + y = 4
9x – 3y = -12
0 Infinite number of solutions
One solution: (3,6)
Two solutions:x=12 and y=9
No solution

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.

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

Collin did the work to see if 10 is a solution to the equation r/4=2.4