Help I need help to understand and get it right because if I don't then I can fail my grade

What term best describes a line ans a point that lie in the same plane

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

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.