Line perpendicular to y= -2x+8

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Which graph represents the linear function below? y-3=1/2(x+2)