Help me out it’s timed

Asphere has a diameter of 10 in. what is the volume of the sphere?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

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%