The formula for the area of a circle is

We know the diameter, and the radius is half of the diameter. So the radius is 9. Now we plug that into the formula.

So the answer is B, 81 pi square feet
I can't see the problem so repost it and tag me in it
Answer:
x = 710
Step-by-step explanation:
1. Divide both sides by 2 to get x by itself
1420 = 2x
↓
1420 ÷ 2 = 2x ÷ 2
↓
710 = x
2. Switch sides
710 = x
↓
x = 710
I know it is not one of your options but that is the answer to 1420 = 2x
Answer:
in a pile of 1000 colored candies, you'll find 200 of which are blue
Step-by-step explanation:
135 ÷ 27 = 5
ratio: 5:1
1000÷5 = 200
feel free to correct me if I'm wrong