Answer:
Um.. well I don't know what is your question, but I think you meant square root and the answer is 7 because it is a perfect square.
Step-by-step explanation:
Erin bought 8 pounds of apples, and Katie bought 5.
8-5=3
8+5=13
Step-by-step explanation:
1st expression= 6x^2y
2nd expression= 9xy
HCF= 3xy