Answer:
B) 194.7 m
Step-by-step explanation:
You use the radius value in the formula 2(pi)r.
2(pi)31 = 194.7
3+.4
Three and four tenths
Margo is correct since each girl got 7 pens and 9*7=63
I hope this helps
Answer: 0
Step-by-step explanation:
16+5x-4=7x+12-2x
5x+16-4=7x-2x+12
5x+12=5x+12
0=0
I got 1.7 , combine like terms 9x+3x and get 12 then 4+3 and get 7 then divide