A dentist's office and parking lot are on a rectangular piece of land. The area (in square meters) of the land can be represented by x^2+x-30. a. Write a binomial that represents the width of the land.
b. Write an expression that represents the area of the parking lot.
c. Evaluate the expression in parts (a) and (b) when x=20.

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