Answer:
See below.
Step-by-step explanation:
The circumference of a circle is 
We know that the radius is 2 meters, so:

meters.
Answer: about 16
Step-by-step explanation:
See picture for more information
8x2+6x-2
I think! because 8,6, and 2 are all divisible by 2
and 3. Factor the quadratic
2(4x-1)(x+1)
Answer:
3 and 4
Step-by-step explanation:
Consider squares on either side of 15, that is 9 and 16, so
<
<
, that is
3 <
< 4