Somebody please tell me how to solve this-

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is

Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?