Y = 5x - 1 and y = 3x + 5

Can someone check my answer? you : )

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)

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes