Which of the following is the correct notation for the complex number sqrt*-100-84?

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.

Which best explains why this triangle is or is not a right triangle?

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9