Arectangular plot of land has a perimeter of 680 feet. the land is 60 feet longer than it is wide. find the length and width of the land. ( with matrices if you can)

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

Yvaries inversely as x. y =12 when x=5. find y when x=4

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)