Two similar pyramids have volumes of 3970 cm3 and 3100 cm respectively. The height of the larger pyramid is 25 cm.
Calculate the height of the smaller pyramid.

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?

How far could you drive on 50 gallons of gas

Find the zeros of each function. f(x) = x^2 + 5x - 6