8. Which of the following are coterminal with -210°? Select all that apply. -390°
-570°
-30°
150°
330°

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Combine the information in the problem and the chart using the average balance method to solve the problem.