Which ordered pair is the solution to the system of equations?
{x+y=4
{x−y=−6
(−2, 4)(−2, 4)
(2, 2)(2, 2)
(1, −7)(1, −7)
(−1, 5)

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Solve for x, y, and z. show all steps.

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.