1) - 2 - 5 = 2) 10 - (-2) = 3) -25 - 5 = 4) How are the three problems above different from this problem: -12 + 5

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Need so much on this one how many yards?