Glass jar contains 6 red, 4 green, 3 blue, and 5 yellow marbles. if a single marble is chosen at random from the jar, what is the probability that it is blue or green?

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

4. find the geometric mean of 4 and 12. 24 8