An apple falls from a tall branch. Its height in feet x seconds after it falls is given by 40 – 16x2. After how many seconds will the apple hit the ground?

100 points, hi, i’m not sure how to get the equation from the graph and table.

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?