PLEASE HELP ASAP! I have no idea what I'm doing wrong. I can not grasp these problems if you could help out that would be fantastic.

Use circumcenter theorem to solve for the given values

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 is the rate for one gallon of gasoline