Find the area of this figure. Round your answer to the nearest hundredth. Use 3.14 to approximate pie. A equals ft2

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

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?