Determine the slope of the graph

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

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 really confused and need to learn this