Answer: 4, 1, 4, 7,...
Step-by-step explanation:
Answer:
5461
Step-by-step explanation:
You can recognize this as the sum of 7 terms of a geometric series with first term 1 and common ratio 4.
That sum is given by ...

where a1 is the first term and r is the common ratio.
Filling in the numbers, we have ...

The sum is 5461.
Answer:
3rd option.
Step-by-step explanation:
Make the denominators equal
10/18+11/18
21/18
Simplify
7/6
Option c when turned in mixed fraction
Answer:
-4, 55
Step-by-step explanation: