Peter received a trophy at the state math competition. His trophy is in the shape of a square pyramid and is covered in wrapping paper. What is the minmum amount of wrapping paper needed to wrap his trophy?

315 cm

Step-by-step explanation:

7x7

7x9.5

7x9.5

7x9.5

7x9.5

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5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10