How many terms are there in the following expression: 3a + 3ab + 7b – 2c – 4d?

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

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?

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers