15g^2 is this monomial and explain this as dummed down as possible

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?

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4