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:
d) 0
Step-by-step explanation:
P -R = 0
Because in parallelogram, opposite angles are equal.
For this case, the parent function is given by:

Applying the following transformation we have:
Vertical displacement
Assume k> 0,
To graph y = f (x) + k, move the graph k units up.
We have then:
Answer:
the equation of F (x) is given by:
The angles are supplementary, therefore totaling them at 180°.
And because I'm bored, I'll solve for x for you!
(x + 25) + (9x + 10) = 180
10x + 35 = 180
Subtract 35 from both sides.
10x = 145
Divide by 10 on both sides.
x = 14.5
Answer:
yes
Step-by-step explanation:
because it sells the best price