The first one 6 second 8 but it’s funny
Answer:
- 8
Step-by-step explanation:
- 8 × 2 - (- 8)
- 8 × 2 + 8
- 16 + 8
- 8
He's using the graduated cylinder method. I think the volume might be between 15 and 20. (It's kind of not obvious...)
Actually is close, like rounding anything above 5 is rounded up, 5 and below stays the same. It's 261,177 that means it is around 40,000 away from 300,000. Therefore is it closer
Domain:
∞
Interval Notation: (-∞, ∞)
Range:

Interval Notation: (-∞, 4)
IT IS THE SECOND ONE
Hope this helps!!!!