Chloe and Zoe made the patterns abore using some chalk on the sidewalk by their house. One of the numbers was accidentally erased when their little brother stepped on it. Which of the following numbers should they use to replace the question mark? A. 7
B 8
C. 9
D. 6

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

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)

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?