The profit y from selling x muffins can be represented by a linear function. The profit from selling 5 muffins is $4. The profit from selling 7 muffins is $8. What is the slope of the line represented by the data?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

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

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )