Help me please. :/

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Need solving this second acceleration problem.

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.