3a, 5b, -6y, 10 hope this helps
Answer:
14.65
Step-by-step explanation:
You add 13 + 6 3/4 then subtract 5 1/10 from that and you have your answer.
Answer: 
Step-by-step explanation:
See attached image, it's direct formula substitution.
Gvcffbbbbhhffdxc.Fs wf ye
3.4/-9=4/9 this is the true equation