Will mark brainliest for whoever answers

Does the point (1, sqrt 7) lie on circle shown.

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%

What number line represents the solution set for the inequality -1/2 greater than or equal to 4