The answer is A. W (weight) must be LESS than 20 (w<20) and the weight has to be a positive number because the weight of a dog cannot be negative.
I hope this helps! ^-^
You would go down the y axis 5 boxes
Keeping in mind that, there are 5280 feet in 1 mile, and 60 minutes in an hour and 60 seconds in each minute, thus 60*60 seconds in an hour, or 3600 seconds.