Answer:
1. b
Step-by-step explanation:
It should be 12×18. 1:3 means you take where it's at, at 1 and multiply it's size by 3.
Answer:
A = 
Step-by-step explanation:
Area of a circle is:
A = πr²
We are given a radius of 20 cm.
A = πr²
A = π(20)²
A = π400
<em>A = 400πcm²</em>
Hope this helps.
Answer:
B. 6 units
Step-by-step explanation:

I am joyous to assist you anytime.
Answer:
8,613
Step-by-step explanation: