Answer:
4/5
Step-by-step explanation:
I THINK
If you look on jiskha you will find the answer you will be looking for just type it in B
Answer: Hi, the answer is 9/4 or C!
Step-by-step explanation:
You would take 2/7 and multiply both the top and bottom by 2 to make it 4/14, the. youd flip 4/14 into 14/4, then multiply the top numbers (9 and 14 by eachother to get 126) then multiply the bottom numbers ( 14 and 4 to get 56) and simplify the new fraction (126/56) to get 9/4!
Answer:

Step-by-step explanation:
k is a positive integer.
Consider an arithmetic sequence:

First, find n:

Now, find the sum of these 2k+1 terms:
