Answer the question quickly and correctly

What is the definition of exponential decay?

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

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%