Whats 50 time 20 time 99 divided by 3+ 59 times 1.5

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

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