Question 1:

Give a logical expression with variables p,q, and r that is true if p and q are false and r is true.

Question 2:

Find a logical expression whose truth table is the table below:

p q r ????

T T T F

T T F F

T F T T

T F F T

F T T F

F T F F

F F T T

F F F F

Any help would be greatly appreciated. Thanks so much in advance.