Answer:
d.revenies increased by 500
Answer: u mean r=0
Step-by-step explanation:
Can sb help with mines please
Answer: OPTION D.
Step-by-step explanation:
The formula for calculate the circumference of a circle is:

Where <em>r</em> is the radius.
The formula for calculate the area of a circle is:

Where <em>r</em> is the radius.
Solve for <em>r</em> from
to calculate it:

Subsitute the radius into
. Then:

52 is your answer
Hope this helps