PLEASE HELP. WILL GIVE BRAINLIEST This list shows the numbers of times a gym member visited their gym in a month. 8, 10, 2, 5, 1, 22, 16, 15, 20

What is the range of the number of gym visits?

A. 12

B. 20

C. 21

D. 22

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

Describe how to determine the average rate of change between x = 4 and x = 6 for the function f(x) = 2x^3 + 4. include the average rate of change in your answer.