Which of the following graphs of a line represents the equation y=1/2x -5
Line A

Line B

Line C

None of the above

Solve the system of equations. y= 2x y= x^2 - 15

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

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.