Hello!
To find the circumference of a circle you do

where r is the radius of the circle
So we do 2

Then we substitute pi for 3.14
2 * 3.14 * 72 = 452.16 yds
Then we multiply this by 5 since he runs 5 laps
Which gives us the answer of 2260.8 yds
Hope this helps!
Answer:
Increasing
−5<x<−1
−1<x<1
Decreasing
4<x<7
−8<x<−5
Neither Increasing nor Decreasing
1<x<4
Step-by-step explanation:
Answer = B
Working = 13-(-4) = 17
This would be 5^2 because you have to subtract the exponents.
Answer:
3x^3-2x^2-4x+1+7/x-2
Step-by-step explanation:
btw I used something called m a t h w a y it helps alot
3x^3-2x^2-4x+1+7/x-2
I tried