Answer:
The amount of increase per
hour by $1.
Step-by-step explanation:
Julian charges $10 for every
hour he walks a dog.
He increases his fee by 10%
Now we have to find 10% of $10
Amount increased = 
So the amount increased by $1.
The amount of increase per
hour by $1.
I think it's less than 7/2 usually bigger numbers are less in this case.
sorry if you got that wrong but i'm 85% sure
Step-by-step explanation:
How are we supposed to help...?
25^2-13^2=456
456 square root is 21.354...
21