Abag has 9 red marbles and 6 brown marbles. half of the brown marbles are made of plastic. a marble is selected at random from the bag. what is the probability that it is a brown, plastic marble?

Plzzz plzz maths ! quadratic sequences =an^2+bn 1) 1,6,15,28,45 2)5,18,39,68,105 3) 1,8,21,40,65 4) 7,24,51,88,135 5) -1,2,9,20,35

Select the correct answer. what is the surface area of the victory podium shown here? include all surfaces of the podium, including the bottom. a. 61.5 square feet b. 61.75 square feet c. 65.25 square feet d. 69 square feet

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0