What is the volume of a cylinder with a diameter of 6 centimeters and height of 2 centimeters

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class