Well so 15000-2000 leaves 13000kgs of available weight allowed. Then 13000 divided by 1500 we get around 8.67 cubicmeters of gravel to be allowed to be lifted safely.
When 1 piece of pizza is divided amoung three friends then it would be 0.3/6
X = -2....this is a vertical line where x will always be -2 no matter what y is.
So any points that have a -2 as the x value, no matter what the y value is, will be a correct answer.
Slope=change in y/change in x (y2-y1/x2-x1)
Slope=-2-(-5)/3-0=3/3=1
answer: slope=1