Answer:
The simplified expression is:

Step-by-step explanation:
Given the expression





Add similar elements




Thus, the simplified expression is:

Answer:
$28.80
Step-by-step explanation:
4.80 x 6 = 28.8
Hope this helped!
B:180 degrees because a circle is 360 degrees and half of 360 is 180. I'm learning this too lol
I’m geussing the answer would be A because an ordered pair of that is (2,8) but the only difference is it’s negative so A hope this helps