Supply the missing reason in statement 1 of the proof of the isosceles triangle theorem.

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

In the geometric progression –3, 12, −48… what term is 3,072?