1) 2x+1x= 63
2) 3x= 63
3) 3x/3= 63/3
4) x= 21
5) 2(21)+1(21)=63
6) 42+21= 63
The 2 groups would be 42 to 21.
Step-by-step explanation:



Answer: I think its B
Step-by-step explanation: hoped this helped :)
72⁰_______3π m
360⁰______15π m
C = 15π = 2π r
r = 7•5 m