Answer:
16 m²
Step-by-step explanation:
8 • 2 = 16
If the perimeter of a circle is d*pi, then you would do ((30*3.14)-(20*3.14))/2 to find the perimeter.
30*3.14=94.2
20*3.14=62.8
94.2-62.8=31.4
31.4/2=15.7 cm
Answer: 
Step-by-step explanation:
Let n= Number of packs John needs.
Tiles in 1 pack = 6
Tiles in <em>n</em> pack = <em>6n</em>
If he needs at least 100 tiles.
then
6n ≥ 100

The required inequality: 
13.2 gallons hope this helped!
Answer: The answer is 570in
Step-by-step explanation:You do 3*18=54
3*11=33
11 *18=198
Add them together to get 285
Times by two to get 570