A box is filled with 5 yellow cards, 5 green cards, and 5 red cards. A card is chosen at random from the box. What is the probability that it is a yellow or a red card?

Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis