A motel charges $90 per day for double occupancy. They also charge $80 per day for single occupancy. 80 rooms are occupied for a total of $6900. How many of each room is occupied?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

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