In circle N, Diameter LP is the perpendicular bisector of chord QT. They intersect at point M which lies between N and L. If LM = 6 and MT = 12, find the radius of the circle. Draw a diagram

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?

Bring the fraction a/a-4 to a denominator of 16-a^2

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?