X+y=-3.5 and x+3y=9.5 if (x, y) satisfies the system of equations above what is the value of y?

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

Put the equation in slope intercept form by solving for y

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)