Choose the statement below that best describes a series of dependent events.
a
flip a coin 100 times to determine the probability of it landing on tails.
b
draw a marble from a bag of 10 red and blue marbles, then draw a second marble without returning the first marble to the bag to determine the probability of drawing two different color marbles.
c
roll two fair six-sided number cubes to find the probability of getting the same number.
d
flip a coin and roll a fair six-sided number cube to determine the probability of getting tails and a two.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 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)

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.