(2)^4-2(2)^3-6(2)^2+5
16-64-144+5
-187
^^^ this is correct, but bro it’s just simple subtraction. Use a calculator or sum
{ 3-y=2x
{ x+1/2y=3/2
{ -y=2x-3
{ 1/2y=3/2-x
{ y=-2x+3
{ y=3-2x
-2x+3=3-2x
(x,y) = (x,-2x+3)
Answer:
a scalene triangle
Step-by-step explanation:
all angles are different lengths