I added a photo- I don't understand this question and I would like to know if someone could help me. I'd do anything for anyone to help and explain this to me. 15 points, for anyone willing to help me,
Thank you if you answer my question.
:D

Convert and simplify the following sentences to conjunctive normal form (cnf): (a) (p → (q → r)) → (p → (r → q)) (b) (p ∧ q) → (¬p ↔ q) (c) ((p → q) ∧ ¬q) → ¬p

If you turn on the lock alpha button , what happens

An environmental protection agency study of 12 automobiles revealed a correlation of 0.47 between engine size and emissions. at 0.01 significance level, can we conclude that there is a positive association between the variables? what is the p value? interpret.