PLEASE HELP ME FAST I NEED TO FINISH THIS!! ( It's about linear equation from a slope and y- intercept)

Can someone check my answer? you : )

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

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%