Answer:
4 and Cannot
Step-by-step explanation:
Calculate the mean then subtract.
6.25
8.5
6.5
7
8.75
6
8
mean=74.5/10=7.45
3.25
2.5
3.5
2.75
4.25
3.75
4
4.5
3
mean=35/10=3.5
Subtract the means 7.45-3.5=3.95 round to 4.
Answer: 190
55 +50+90= 195
then round it and you get 195
No
multiply each side of 6:1 by 3 to get it equivalent. 18:3 is not equal to 12:3 so no