Answer:
the first set is 6.83 or 7 simplified
the second set is 5.13 or 5 simplified
the third set is 30
Explanation:
12+8+6+4+10+1=41 41 divided by is 6.83 or 7 simplified
6+3+5+11+2+9+5+0=41 41 divided by 8 is 5.13 or 5 simplified
30+16+49+25=120 120 divided by 4 is 30