Solve using elimination
Show work
2x-3y=-61
2x+y=-7

Ineed with this problem 21 show steps

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2