Question

Use the roster method to list the set of positive integers that are solutions of the inequality. (Enter your answers as a comma-separated list.)
9 − 8a ≥ 4 − 6a

Answer 1

throw all like terms together:

\[5 \ge 2a ==> (5/2) \ge a\]

[5/2, +inf) or however your set notation is. make sure the set is closed at 5/2 because it includes 5/2; and make sure the set is open at infinity since inifinty cannot be included in any set.

Answer 2

I don't understand what you are saying