Answer:
7
Step-by-step explanation:
It looks like the term is 
First simplify

[y has an exponent of 1 btw]
Then to find the degree of a term, just add up the values of all the exponents
2+1+4=7
I hope this helps!
Answer:
point b
Step-by-step explanation:
(5,7) (5,4) (7,4) hope that helps