Which of the following is a rational number?
√2 √3 √4 √5

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

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute