By selling an article for Rs.144 a man loses 1/7 of his outlay. If it is sold for Rs. 189 what is the gain or loss percent?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Pls! does anybody know a shortcut for answering these types of questions in the future?

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10