if the expression below has a positive value which inequality represents all possible values of x, for the expression -11x

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?

Which best explains why this triangle is or is not a right triangle?

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585