Step-by-step explanation:
A + b
Putting value of a and b
9 + (-24)
9 - 24
= - 15
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.
Answer:
1 hour and 45 minutes
Hope this helped, have a nice day! :)
I think it would be A.) but at the same time i think it's wrong