If five pounds of potatoes cost $3.45, then 2 lb cost $.89. select the best answer from the choices provided t f

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

Me because some of question i don’t understand

Graph the linear function using the slooe and y intercept