Answer:
See explanation
Step-by-step explanation:
1. Find the GCF of 40 and 44:

So,

2. Find the GCF of 13 and 52:

So,

3. Find the GCF of 15 and 81:

So,

4. Find the GCF of 64 and 28:

So,

1,468 sqft hope that’s right
1.12 2.60 hope this helps if it is wrong then I’m sorry
Answer: 5000000000
Step-by-step explanation: i just know