Need help to solve it in standard form ( y= mx+b )
4x+9y= -63
2x-3y= -9

When only separate discreet points are graphed it is called?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle