What is the area in square units of the triangle with one vertex at the origin and defined by the vectors ⟨3, 5⟩ and ⟨−2, 4⟩?

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

286 divided by 457.6 what is the quotient?