Rachel writes 4+5+6=540-180. which is the following reasons allows her to write this statement?​

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.

Acircle has a circumference of 7.850 units. what is its radius?

Solve this problem! extra ! 3025/5.5 = a/90.75