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Ionic bonding occurs between positive and negatively charged ions. A simple example is Sodium Chloride. Sodium has 1 outer shell electron which it wants to lose in order to create a stable electronic conf...

(x + 4) (x² - kx - 5) = x³ - kx² - 5x + 4x² - 4kx - 20 = x³ + (4-k)x² + (-5-4k)x - 20.The coefficients are: (4-k) of x² and (-...

We can write the equation of a straight line like y=ax+b, where a and b are constants. If a point is on the line, the equation will be true for the x,y of the point.Now start with point A: 7 = (-4)a + b. ...

(question continued): of matching socks? A) 5 B) 6 C) 8 D) 11 E) 13
Answer: Try applying each number starting from the smallest, you will find that with 6 socks there will always be at least 2 pairs...

A useful way to approach this question might be to think about the political context in which Orwell wrote 1984. Orwell's novel can be seen as a reaction to the totalitarian systems of government...