Combine Like Terms 4a + 7a

Volume of cylinder with a radius of 8cm and height of 25 cm

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?