What is a quotient i do not understand

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

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%