Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

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.