Abag contains 2 blue marbles, 2 red marbles, and 2 yellow marbles.

if jenna randomly draws a marble from the bag (and puts it back) 15 times, how many times should she expect to pull a yellow marble?

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Factor the polynomial expression x6 – x3 – 20