You randomly draw a marble from a bag of marbles that contains 8 blue marbles, 5 green marbles, and 8 red marbles.
What is the Probability ( draw a blue or red marble)?
If necessary, round your answer to 2 decimal places.

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Evaluate cos2θ for cosθ = square root of 3/2

Find the area of an equilateral triangle with a side of 6 inches