PLEASE HELP I WILL GIVE BRAINLIEST! if anybody can PLEASE make this circular flow model on paper and send me the picture but make it about AMAZON, that will be so appreciated!! thank you so much, it is due in an hour!

What term makes it inconsistent y=2x - 4

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove