C o m b i n e l i k e t e r m s . 3 x + 4 x y + 9 + 6 x y + 9 x - 5

Im literally having a mental breakdown

In the diagram of circle o, what is the measure of zabc?

Deepak plotted these points on the number line. point a: –0.3 point b: – 3 4 point c: – 11 4 point d: –0.7 which point did he plot incorrectly?