please answer all and leave step by step explaining how you got your answer will give thumbs up

Question 20 (5 points) Without making a truth table, what truth values nced to be given to variables p, q.r, s. u, and w in order to make following proposition evaluate to True: (pq)(up)q(wu)(ws)(ru) Select the variables below that should be assigned the value True, and leave: unselected the variables that should be assigned the value False. Question 21 (4 pohnts) Which of the following are DeMorgans laws? (Select all that apply) Sista 2 correc animost (pq)(pq)(pq)(pq)(pq)(pq)(pq)(pq)(pq)(pq)(pq)(pq)