What's the value of a
2(a - 0.5a) + 3 = 4a - 1 + 5 -3a

What’s -11-33k and factor each expression completely

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

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?