What’s the distance between 4,-2 and 6,-1

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.