True or False: The Commutative Property of Addition states that for all expressions a and b , ab = ba.

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

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)