A bookstore manager marks down the price of older hardcover books, which originally sell for b dollars, by 44%. Part 1 out of 4​

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?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

When the ball has traveled a distance of