Answer:
Step-by-step explanation:
With what?
Answer:
7 units
Step-by-step explanation:

=7
Answer:
2.236
Step-by-step explanation:
you could estimate it to be between 2 and 3 (because 5 is between 4 and 9)
or you just put it into a calculator
Answer:
for 9, the answer is 246.49
Step-by-step explanation:
This is area of a circle correct?
The formula is PI x radius squared.
3.14 x the radius, which is 5, squared
I am re-editing this
so sorry the answer is actually 78.54
The reason why it is 78.54 is that you need to square the radius before multiplying with PI.


what's the population in 2004? well, from 1994 to 2004 is 10 years later, so t = 10
plug that in, to get P for 2004