The ceiling of katies living room is a square that is 15 ft long on each side. to decorate for a party she plans to hang crepe paper around the perimeter of the ceiling and then from each corner to the opposite corner. katie can buy rolls that each contain 20 ft of crepe paper. what is the minimum number of rolls she would buy? show your work.

eight hundred an fifty one point four hundred and fifteen

800+50+1+.4+.01+.005

given expression is

we have radical  

we need to select an option that has same radical

(a)  

this expression has cube root instead of square root . so it is not a like radical.

(b)

y is included inside the radical. so it is not a like radical.

(c)

this expression has cube root instead of square root . so it is not a like radical.

(d)

5 is inside the radical square root. so it is   a like radical.

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