There is 1 brother as they would all have the same brother.
Answer:

Step-by-step explanation:
The function
has the vertex at
.
Since
, the graph of the function is a maximum graph.
The highest y-value is the y-coordinate of the vertex which is 5.
Therefore the range is {
}
Therefore the correct answer is B.
Answer:
$5.29 per pair of socks
Step-by-step explanation:
26.45/5=5.29