Anyone wanna give me Robux plz TwT ? ill make u brainlist and u will have points

Which of the following are accepted without proof in a logical system? check all that apply.

Do you mind if you guys me with this question i’m on number 8

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3