Find the values of x and y. The numbers given are; 8y, 40, and 40. I figured out y, which was 5, but I need the answer for x. Thanks :)

7friends share 4 pizzas equally how much pizza did each friend get

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Which of the following graphs could represent a cubic function?