What is one and three fifths times two and one third

Acylinder has volume 45π and radius 3. what is it’s height?

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 sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.