Convince Mel Critique Reasoning Kevin said, "In each of the examples above, all you are doing is multiplying by one. When you multiply by 1, the value doesn't change" Is Kevin correct? Explain. 302 Topic 8 Lesson 8-3

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

Find the distance between the pair of points a(-1,8) and b(-8,4)