Answer:
Hey! Is this the full question?
Step-by-step explanation:
Answer
Circumference(C) of a circle is given by:

where r is the radius and value of 
As per the given statement:
A building engineer analyzes a concrete column with a circular cross section.
The circumference of the column is
meters.
then;

Divide both sides by
we have;
9 = r
or
r = 9 meters
We have to find the area of the cross section of the column
Area of a circle is given by:

then;
meter square.
therefore, the area A of the cross section of the column is
meter square.
Answer:
below
Step-by-step explanation:
if positive increases
if negative decreases
Don't you just grab the volume of the box and subtract the volume of the basketballs.
Answer:
sensitivity analysis
Step-by-step explanation:
The ability to examine the variability of a solution due to changes in the formulation of a problem is an important part of the analysis of the results. This type of analysis is called Sensitivity analysis.
It helps us figure out the robustness of a system or model in the presence of an uncertainty
It also increases the relationship between the inputs and outputs from the system or model