Use the given x and y values to write a direct variation equation and find y given that x=12

An animal shelter has 21 puppies. if the puppies are 28% of the total dogs and cat population how many dogs and cats are in the animal shelter

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

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)