The total surface area of this prism is 480.
Answer: 31.25%
Step-by-step explanation: 8 + 15 + 25 = 48, then 15 / 48 = 0.3125. that's 31.25%
<span>if it is travelling 20 feet in 1/5 of a second that means that in 1 second (which is 5 times as much as 1/5 of a second) it will do 5 times 20 feet hence 100 feet. Then in 3 seconds it will do 300 feet</span>
Answer:
121
Step-by-step explanation:
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 is a sum of first 11 odd numbers.

Here, n is the number of terms.
In this sequence, there are 11 terms.
Sum of first 11 odd numbers = 11²
= 11 *11
= 121
4/5 or 4 over 5 I believe is the correct answer. I am not sure if your multiple choice answers posted.