Please help asap for 7 & 8!! I will mark you as brainliest :)

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?