4x-30=180 your missing the 180 part because it’s a straight line. so do 4x-30=180. subtract 30 from 180, then when you get that answer divide it by four
The answer to your question is a,c,d
Pie goes on forever, so you round it to 3.14.
3.14*2= 6.28
Hope that helped!
The stirrup bone is the shortest bone in the body?
