Find the area of this figure

X+y=-4 x-y=2 use elimination with adding and subtraction

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?