Mr. Tang created a number line for his class to use. A number line has points negative 4, A, B, blank, 0, blank, C, D, 4.

Which point is a representation of –(–3)?
Point A
Point B
Point C
Point D

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