Beki put some stamps into her stamp collection book she put 14 stamps on each page if she completely filled 16 pages how many stamps dod she put in the book

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?