He's using the graduated cylinder method. I think the volume might be between 15 and 20. (It's kind of not obvious...)
Answer:
f(x)=x-2
Step-by-step explanation:
You just have to change 5a for x
Answer:
2 2
1 -3
Step-by-step explanation:
2b=[4 4]
2 -6
b=[4/2 4/2]
2/2 -6/2
b=[2 2]
1 -3
