A a squirrel ran 9 miles in one hour. which expression can be used to determine its speed in miles per hour?

The unit rate is 9 miles per hour.

In order to find how much its unit rate will be you need to use this expression below.

n = number of hours

m = number of miles

m divided by n or m/n

In order to find how much does he travel in given hours see this below.

n = number of hours

m = number of miles for 1 hour

nm or n * m