Cost of producing textbook is $85.38 per book. Publisher also pays flat rate of $250 shipping. Erie an equation in y=Mx+b form to model costs for publisher to produce x number of books

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)

Let event a = you roll an even number on the first cube. let event b = you roll a 6 on the second cube. are the events independent or dependent? why?

E. which of the following is not a possible probability? a. 25/100 b. 1.25 c. 1 d. 0