What is the quasten. you did not say eny thing pasifik
I guess the series is

We have

Recall that

In our limit, we have



which is greater than 1, which means the series is divergent by the ratio test.
On the chance that you meant to write

we have


which is less than 1, so this series is absolutely convergent.
Answer:
7. 4
8. 7
Step-by-step explanation:
7. 
Cross multiply


(division property of equality)


8. 
Cross multiply


(addition property of equality)

Divide both sides by 6


There are a few definitions depending on your context ( which is not that great btw) but some possible definitions are - Congruent, Equivalent, Proportionate