What does “three more “ mean in a verbal expression a+3 b-3 cx3 d divided by 3

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)

#7. m is the midpoint of pq, the diameter of the circle o is 13in. and rm = 4in. find pm find pq

With this question, the answer with the red arrow is incorrect!