(18 points and will mark as brain list if answer all 3 questions)

1. Andrea thought that “x = 10” would be a good guess to solve 6x + 19 = 109. Should her second guess be higher or lower?

2. Solve 2s + 100 = 112 *

3. (The picture)
What is the value of “x” in this model?



18 points and will mark as brain list if answer all 3 questions 1 Andrea thought that x 10 would be a good guess to solve 6x 19 109 Should her second guess be h class=