Ajar contains 2 pink, 6 red, and 4 blue marbles. if you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.