Someone do this pls help?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

What expression is equivalent to log3(x+4)

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%