Mel is 3 years older then Rah and Aur is twice as old as Mel. The sum of their ages is 57. How old is Mel? ​

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

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year