The surface areas of two similar figures are 16 in2 and 25 in. If the volume of the larger figure is 500 in, what is the volume of the
smaller figure?

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?

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25