Naomi has a toy car collection of 300 toy cars. She keeps 243 of the toy cars on her wall. What percentage of Naomi's toy car collection does she keep on her wall?

Asoccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 in

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

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?