Rhombus ABCD has diagonals interesting at point E. If the measure of angle ABC is 130 degrees, find the measure of angle ADB.

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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?