1. 6/7÷2/7 = 3
2. 4/5÷2/5 = 2
3. 4/7÷2 = 2/7
4. 12/13÷3 = 4/13
HOPE THIS HELPS!!!!!!!!!!!
Answer: Last option.
Step-by-step explanation:
In order to estimate the percent "n" of a number"x", you need easy numbers to work with, therefore you can round "n" and "x" up or down; but it is important to remember that this estimation does not give you an exact value.
You can observe that Sergei's first step was to round 149% and 67 up, getting this result:

To verify if this estimate is less or greater than the actual answer, we can find the actual answer. This is:
Therefore, we can conclude that<em> the estimate is greater than the actual answer because the percent and the number were both rounded up</em>.
Is there more to this question?
Answer:
Cosine graph
Step-by-step explanation:
Mark as brainliest
A vertical angle includes each of the pairs of opposite angles made by two intersecting lines, so ∠EKF and ∠HKI is the answer.