The last one is the answer
You would do 21 divided by 3 and get 7.
The answer is 7 kids are in the line.
Please vote my answer the brainiest if it was helpful!!
According to Wikipedia: "<span>In mathematics, a function
is a relation between a set of inputs and a set of permissible outputs
with the property that each input is related to exactly one output."
So based of this we need to look for a set where one of the x values or the y values is the same, and the other number is different.
Answer:
B.
(1,4) and (1,1) both have the same x, but different y!
</span>
Answer:
-7
Step-by-step explanation:
