What is the value of 4 1/3ã·1/9? enter your answer as a fraction in simplest form, like this: 3/14

1. are the triangles similar and if so why? what is the value of x? show your work.

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

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