help me solve these 2 questions

webassign.net C + "AM1A1 Webassign (Graded) - TECH 205 Summer 1 (8 week), section 01, Summer 1 2021 | WebAssign Grades for JAKIRA MARIN KARILEN: TECH205: DISCRETE STRUCTURES MAY2021 30076453 [8wk] Consider the following theorem. Theorem. Let x be a wamel. If x has been dorfelled, then x is a borfin. Give the contrapositive of this theorem. Let x be a borfin. If x is not a wamel, then x has been dorfelled. Let x be a wamel. If x has been dorfelled, then x is a not borfin. Let x be a borfin. If x has been dorfelled, then x is a not wamel. Let x be a borfin. If x is not a wamel, then x has not been dorfelled. Let x be a wamel. If x is not a borfin, then x has not been dorfelled. 21. [-/4 Points] DETAILS HUNTERDM3 1.4.016D. MY NOTES Find a counterexample for the statement. If p is prime, then p2 + 4 is prime. p 22. [-/4 Points] DETAILS HUNTERDM3 1.5.003. MY NOTES Prove: Let a, b, and c be integers. If (a . b) | c, then a | c. Suppose a, b, c are integers with (a . b) | c. Then c = . (a . b) for some integer k, so c = Ja, so a | c. 23. [-/4 Points] DETAILS HUNTERDM3 1.5.007