i need help with questions 1-3 will give brainliest

the first one is A, but this is the only one i know for sure. i don’t want to give you a wrong answer so A is number one
For the 1. correct answer is x<-3 or x≥5
For the 2. correct answer is 25≤ x ≤ 30
For the 3. correct answer is 7< x < 13
Good luck!!!