Answer:
140 inches
Step-by-step explanation:
one decagon has 10 sides
14*10= 140
No if it was, the football would keep going up forever and keep going up faster as it was released
physics and common sense tells us that there is air resistance to slow the rise of the football
not exponential
The standard form of a circle is:

Your center is
and your radius is 
Plug them into the equation and you get


The correct answer is D.