What ordered pair (x, y) is a solution to -x+6y=2

Which of the following is the true for f(x) = 5cos

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%

See attachment below and find the equivalent of tan(∠qsr)