This is most likely a proportional relationship because DOUG regularly mows his neighbors yard
Answer:
d+9
Step-by-step explanation:
sum implies addition
so you would add d and 9
since d is a variable the most you can simplify is
d+9
I believe it's 8 because it's scale is 4 times bigger.
2×4=8
Answer:
I think that the answer is D (13,20)