Find c, ifc = a+b . 7, 6 −7, 2 0, −5 −5, 0

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.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827