Need help on step B.​

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

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%

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?