√5 is the wrong position This is approximately 2.24 so the dot should be between the 2 and 3 while she has put it between 1 and 2.
Circles will never have a side but they only have 1 line that can be counted as a side.
Answer:

Step-by-step explanation:
Write the terms of numerator and denominator using a common denominator.

I hope this helps you
2y+y=9
3y=9
y=3
x=2y=2.3=6
He would need to sell 28 because
12.50*28=350 and 350+50=400