Do the graphs of the equations -16x + 12y= 33 and -4x+ 3y =8 graph as the same line?

If you move the x to the other side of the equation and than divide by the y value to find the y=Mx+b form of both equations, you will find that the lines are not equal rather they are parallel because their slopes are the same.

no

No a triangle cannot be formed because when you add the two smallest number together (which would be 11) the have to be bigger than the number it is "against" ( which would be 12)