Me with these questions image attached

true is the answer : )

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

ask your friends for what they got then copy it down if you don't have any friends which is fine than google it or pay the teacher