Answer:
Yes, 14 squared is definitely bigger than 3.14. When you square a number, you multiply it by itself, and even if you didn't do that, 14 would still be a bigger number than 3.14.
x+y ≤ 20
7.50x+6y ≥ 92
x = dog walking in hours
y = car washing in hours
In the A circle: 1,3,8
In the B circle: 2
In the middle: 4,9
In the outside: 5,6,7
Hope this helps!