Answer:
circumference = 97.34
Step-by-step explanation:
circumference = diameter x Pi
31 x 3.14 = 97.34 inches
Answer:
I wish you luck
Step-by-step explanation:
For this case we have:
Be a function of the form 
Where:

If we want to find f (-2), we substitute
, then:

Since we have a negative root, the result will be given by complex numbers. By definition:

So:

Answer:

3/5 i believe. if you take 7 and divide it by 2 its 3.5.
Answer:
Each Person should owe 30$.
Step-by-step explanation:
84.99+5.10=90.
90/3 friends= 30$ each. There fore, the friend's calculation is not reasonable.