What is the first and second step to solving -16=2a-8

What is the solution to the problem

Use set builder notation to represent the following set: { -3, -2, -1, 0}

What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm

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?