What is the combined volume of 2 identical rectangular prisms with the dimension 7 cm x 9 cm x 3 cm?

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%

I’m confused on how to work the pie charts

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.