The formula of an area of a circle:

r - a radius
We have r = 14m. Substitute:

If you want an approximate area, you can accept 
Then:

<span>The maximum number of turning points of the polynomial is the degree of the polynomial minus 1</span>. In this case the degree is 5, so the maximum number<span> of turning points </span>is 5-1=4.
Answer:
A
Step-by-step explanation:
I think the answer is A because you have to use 13 to multiply what's in the bracket in order to collect like terms but 13 *12 won't give you 12. That's the reason why am confused