. A 20 case of water bottles are on sale for $7.20.
What is the unit rate?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Which statement explains the relationship between corresponding terms in the table?

Can you divide 25 into 4 equal groups? explain why or why not.