Use the following to determine the truth for each conditional, conjuction or disjunction. p: 60 seconds = 1 minute q: Congruent supplementary angles each have a measure of 90. r: -12 + 11 < -1 18. 19. 20. 21. 22. pq qr : pr : q p q p Complete each truth table. 23. : pq P 24. P q : pq ~p p (q r ) q r qr p (q r )