A bag contains 6 red marbles and 2 white marbles. A marble is selected, kept out of the bag, and then another marble is selected. What is the probability of choosing a red marble and then another red marble without replacement？

Evaluate cos2θ for cosθ = square root of 3/2

Triangle knm is what is true about the sides of knm

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity, infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity, infinity)