Which of the following equations has a solution of x = 12?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.