Match each mathematical description with its algebraic expression.

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

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

3382-299=3383- ? fill in the blank?