Is it possible for a quadrilateral to have ony 2 right angles if so

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

If the measure of xyz is 81 what is the measure of yz

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.