Find the volume of the cone.
Either enter an exact answer in terms of te or use 3.14 for π and round your final answer to the nearest hundredth

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

I’m really confused and need to learn this

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n