PLEASE HELP WILL GIVE BRAINLIEST TO QUICKEST AND CORRECT ANSWER 13.Cans were arranged in the shape of a square. Seven cans were placed in front of the square. If a total of 32 cans were used, how many rows and columns were in the square?

A 13. Explain how the diagram above represents this problem?

B 13. What equation would you use to represent this problem?

C 13. How many rows and columns were in the square?

and

17. The area of the large square below is 49 centimetres squared. What are the side lengths of the shaded triangle?