No not always, because x could be a smaller number than y which would make it an negative. If x is bigger than y most likely it will be, but not always.
Answer:
a
Step-by-step explanation:
everything else there are gaps in between like b and in c they are overlapping
Is measure of the angle G, 78?

this is what I would come up with because.
y=the number of people infected
x=the number of days that have passed