25 is the answer of this problem
From 14-21 you have to do it by a calculator and then put it between perfect numbers then minus the bigger perfect number by it and if needed graph on a number line
The answer for this would be option 3: ASTRONOMY. Brahmagupta is a famous Indian mathematician and astronomer during the 7th Century, and he wrote textbooks related to astronomy and mathematics when he was in <span> Ujjain, India. Hope this helps. </span>
Y=1 that’s isss not the x =1 yah know IT is
