Controuct a 2×3 order metrix which can be defined as Aij=3i+5j in English

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

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