Use reasoning algebra find the unknown number 9/=1/5

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

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

State one method by which you can recognize a perfect square trinomial.