What multiplies to be -63 and adds up to be -2

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female? estrogen progestin progesterone testosterone