Jane is going to solve the equation below: 8x-19=-12x+618 x − 19 = − 12 x + 61 jane thinks the first step should be to subtract 12x from both sides of the equation, but allie thinks she should add 12x to both sides of the equation. who is correct and how do you know?

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)