5/6-1/4 What is the Lowest Common Denominator of the two fractions?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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.

How do you find the circumfrance of a circle?