14 10/8 is equal to 15 2/8 which cnman simplify down to 15 1/4. So, the simplest you can get is 15 1/4. I hope this helps!
Answer:

Step-by-step explanation:

The radius is: Diameter/ 2, or 8 inches.
the circomference is: 50.27 inches.
hope this helped (:
Let <em>S</em> denote the sum

We can condense this to sigma notation:

Expand the summand:

Recall the Faulhaber formulas,


So we have

Answer:
19.
Step-by-step explanation:
PEMDAS.
3^2=9
5 x 2 + 9
10 + 9 = 19