A mixture is 25% red paint, 30% yellow paint, and 45%water. If 4 quarts of red paint are added to 20 quarts of the mixture, what is the percentage of red paint in the new mixture?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?