Please help me with this homework

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?

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