Henry completed a 20-mile bike ride in 4 hours. Josie completed
a 30-mile bike ride in 5 hours. If both riders continue at those
speeds, how many more miles can Josie ride in 1 hour as
compared to Henry?
Answer : 1 mile

Which of the following points is collinear with (-2,1) and (0,3)

What value of x is in the solution set of 4x – 12 s 16 + 8x?

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)