Lin says that an octagon has six ideas. chris says that it has eight sides. whose statement is correct?

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

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'