What's 6+10 it has been so hard for me to answer this question ?

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

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?