Pathos evokes emotion while ethos shows credibility logos facts. Pathos is used to convince the audience to appeal to the motions.
There is a need to study because studying works to make your brain and the answers become muscle memory so you Will know the answer is off the top your head not have very much trouble. Hope this helps have a great day ❤️
The sum of number is at least 14 means the sum is either equal to 14 or greater then 14. So,
According to the question,
5x + 2x ≥ 14
= 7x ≥ 14
= x ≥ 14 / 7
= x ≥ 2