An employee at a state park has 53 photos of animals found at the park. she to arrange the photos in rows so that every row excapt the bottom row hasvthe same number of photos .she also wants there to be a least 5 rows. describe teo difcerent ways she can arrange the photos.

chemists are often responsible for designing a chemical reaction and analyzing the products obtained from it. one significant part of designing a chemical reaction is determining the amount of each reactant that is needed and the amount of each product that will be produced. in order to do so, chemists use stoichiometry, the quantitative relationships between reactants and products.