What radius of a circle is required to inscribe a square with an apothem of 6.364 inches?

What is the equation of the line shown in this graph?

If the measure of xyz is 81 what is the measure of yz

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.