During summer vacation charge people eight dollars per hour for swimming lessons and a $20 registration fee if you make $52 one day how many hours did you spend teaching lessons

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

We have enough material to build a fence around a station that has a perimeter of 180 feet the width of the rectangular space must be 3 1/4 feet what must the length be

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