Answer:

Step-by-step explanation:
Circumference of the column 
Circumference of a circle
Therefore:

Area of a Circle 
Since radius of the cross section of the column =9 meters
Area of the cross section of the column

Answer:
4.99
Step-by-step explanation:
9.98 divide by 2
Yes. it would be only about 5 pounds
Answer:
72
Step-by-step explanation:
because when you do 55% out of 160 it will give you 88 which you subtract from 160 and then you will end up with 72
Answer: 1
Step-by-step explanation:
From the question, we are informed that Andrew writes 1/7 of a page in 1/7 of a minute. The number of minutes that would take for him to write a full page would be:
= 1/7 ÷ 1/7
= 1/7 × 7/1
= 7/7
= 1 minutes
= 1