Astudent is given a reading list of
ten books from which he must
select two for an outside reading
requirement. in how many ways
can he make his selection?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Nine more than four times a number is the same as one less than twice the number. find the number?

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