Answer:
The answer is 9
Explanation:
Rounded to two decimal places, the Square root of 85 is 9.22. Rounded down to the nearest whole number, this is 9.
If you square 9, you get 9 x 9 = 81.
During Renaissance the most important city was Venice since it had the most power. Other two important cities during Renaissance where Genoa and Florence.
Hope it helped,
BioTeacher101