Answer:
D. 1,211
Step-by-step explanation:
857 + 354 = 1,211 runners
30/5= 6
6 - 2 = 4
Your number is four
Answer:

Step-by-step explanation:
Given Surface Area of Cylinder =
,
and also given r = 4.25 inches and h = 6 inches.
Let's Substitute r and h into the formula to find the total surface area.
Surface Area of Cylinder = 
<span>11+4 (x+7)^2
Substitue 2 for x
</span><span>11+4 (2+7)^2
Multiply the numbers inside of the parenthesis by the exponent
11+4 (4+49)
Add 4 to 59
11+4 (54)
Add 4 to 11
15(54)
Multiply
Final Answer: 810</span>