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

It is not necessary that the function decreasing over a given interval always be negative.
A function f(x) (value) decreases as x increases.
This does not mean that value of f(x) is negative.
It can have positive number as range.
Answer:
37,641 would be the interest payed or other wise fully paid off and owned
Step-by-step explanation:
180
This is because 12x5x3 = 180
Answer:
no
Step-by-step explanation:
3y+3 doesnt equal 9y+3