The figure shows a planetarium's viewing room, which is in the shape of a hemisphere.

Use 3.14 for pi.

The diameter of the room is 50 feet. What is its approximate volume to the nearest tenth of a cubic foot?

A) 32,708.3 ft 3
B) 10,416.7 ft3
C) 65,416.7 ft3
D) 16,354.2 ft3

Which of the following is the correct ratio for converting kilograms to grams

What is the total surface area of this square pyramid?

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