Acoffeepot contains 1 1⁄2 quarts of coffee. after tonya pours an equal amount of coffee into two cups, 3 1⁄2 cups of coffee remain in the pot. how much coffee did tonya pour into each cup?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

What is the value of the discrimination for the quadratic equation 0=×2+2+×2

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.