If there are 170 students in 12th grade, what percentage of the twelfth grade students have more than one college in mind

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.

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?

597008.439431 to the nearest thousand