Laney bought some candy from the bulk food store. She bought a 290-gram bag of gummy worms, a 450-gram bag of sour keys, and a 670-gram bag of chocolate-covered almonds. What is the total weight in kilograms?

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?

What value of x is in the solution set of 4x – 12 s 16 + 8x?

What is the lcm of 16 and 40 ? 24 and 40 ?