Answer:
D
Step-by-step explanation:
I believe you combine the first and last terms first because they have the same denominator
Answer:
<u>B) 25.12 cm</u>
Step-by-step explanation:
<u>Arc length</u>
- 2πr x 1/4
- 2 x 3.14 x 16/4
- 8 x 3.14
- <u>25.12 cm</u>
It is systematic because they are going every tenth person, in a random manner.
60 minutes in an hour.
1/4 × 60 = 15
3 quarters of an hour is
3 × 15 = 45 minutes