Discover Questions

If a+b+c=4, ab+ac+bc=6, and abc=3, what is 1/a + 1/b + 1/c? How to locate/take pictures of planets? Find all solutions to the following system of nonlinear equations.
(x − 2)^2 + y ^2 = 20
(x + 2)^2 + y^ 2 = 20? What day will it be exactly 6 months from June 14th, 2017? Best answer gets buncha stars? If 7.46g of CrCl3 are dissolved in enough water to make 385 mL of solution, what is the molarity of the resulting solution?