Mike had $1,800 in his bank account. Thirty days later, his account balance was $570. Write an integer to represent the average change in his balance each day during this time.

Find the difference in area between the circle and the triangle. click on the answer until the correct answer is showing. possible answers: a = 4 pi - 8a = 9 pi - 9/2 √3a = 16/3 pia = 16a = 27 pi