Answer:
Question 2: B- 4n-3 < or equal to 21
Question 3: D- n> or equal to 6
Step-by-step explanation:
You got question 2 wrong because the keyword in the question is at most which means you should use the inequality sign less than or equal to. You can search this up online too. All you have to search on google is "at most inequality sign" and it will automatically bold at most for you and explain the definition.
Question number 3 is correct. Answer choice D
If you can please name me the brainliest that would be much appreciated. Thanks and Good Luck!