Answer:
200 feet
Step-by-step explanation:
Area of the warehouse 
Let the length of the warehouse=l
The warehouse's width is exactly
of its length
Therefore: Width of the warehouse
Area =Length X Width
Therefore:

It’s a composite because it has a multiple other than itself
Answer:
36 cm
Step-by-step explanation:
1cm = 10 km
360km/10km=36
1x36=36
Answer:
2.
30-7x4 = 2
3.
80
Step-by-step explanation:
2.
First, do 7x4, which equals 28. Then subtract that from 30, and you get 2.
3.
Do the parentheses first, 21-6=15. Then 15 divided by 0.2 = 75. 75+5=80.
Sorry I couldn't help on any of the other ones, I don't have much time.