5x and 6x are like terms because they are both followed by an x. 20 and -13 are also like terms. For they have nothing behind them. Hope this helps!
I'm gonna say A. It makes the most sense to me.
Answer:
the first one is 1/2(53+47) = 1/2(100)=50
the second one 1/2(360 - 53 - 47) = 1/2(260) = 130
Step-by-step explanation:
THIS IS GOES FOR THE CIRCLE DIAGRAM
