How do you calculate prophit

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Which of the following is not a subset of {1,2,3}?

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3