How many smaller rectangles are there in an area model that represents 27×83?

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?