Devin is asked to write out how to find the circumference of a circle. he writes: "first measure the radius, then multiply that by 2, then multiply that answer by π, and that will give you the circumference." which statement is another correct response? a) first measure the radius then multiply that by π to find the circumference. b) first measure the diameter then multiply that by π to find the circumference. c) first measure the radius, then divide that by 2, then multiply that answer by π to find the circumference. d) first measure the diameter, then divide that by 2, then multiply that answer by π to find the circumference.

Two spray paint machines are used to paint different portions of a large wall. the first machine (nicknamed "paint pro") is used for two hours. the second machine (nicknamed "goldilocks") is used for an hour and a half. when they are working at the same time, they can paint 55 square feet per minute. together they painted 5850 square feet of wall. how many square feet of wall per minute can each machine paint? e used to paint different portions of a large wall. the first machine (nicknamed "paint pro") is used for two hours. the second machine (nicknamed "goldilocks") is used for an hour and a half. when they are working at the same time, they can paint 55 square feet per minute. together they painted 5850 square feet of wall. how many square feet of wall per minute can each machine paint?