answer ALL for ( brain-list, thanks, 5 star review)
don’t have to answer all* at least 2

Answer:
7a) 1/6
7b) 7/12
7c) 3/2 or 1 1/2
7d) 61/10 or 6 1/10
Step-by-step explanation:
If you need me to explain, please let me now in comments, otherwise, please mark this answer as brainliest