A machinist drilled a conical hole into a cube of metal as shown. if the cube has sides of length 8 ft, What is the volume of cube after the hole is drilled?​

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?