Answer:
4 days
Step-by-step explanation:
The patio takes 4 people 2 days, so that is 4×2. To get this for 2 people, it's 2×4. This means it takes 4 days.
Think about it, for half the people, it should take double the time.
Answer:
2, 5, 6
Step-by-step explanation:
from top to bottom, it's the second, fifth, and sixth
3/9 reduces to 1/3 (divide both parts by the GCF 3)
Then use long division to divide 1/3
See attached of what I mean
Which is why

The '3's in 0.333 will go on forever
Answer:
1. 104
2. 70
3. 106
4. 56
5. 47
6.87
Step-by-step explanation:
Answer:
3i
Step-by-step explanation:
3i x 3i = -9
-3i x -3i = -9
Therefore the square root of -9 is 3i or -3i