Find the slope given the following points (8,-6) (-9,-12)

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

How many lines can be drawn through points j and k? 0 1 2 3

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15