There are 4 blue marbles, 3 red marbles, 3 yellow marbles, and 2 green marbles. What is probability that Ms. Bennetti picks a blue marble, places it in her bag, and then picks a second blue marble?
Enter your answer as a fraction in simplest form:

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

For what value of (y) is 3^3/3^y =1/9

Aline passes through 3,7 and 6,9 what equation represents the line