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Firstly and most importantly, I would recommend reading the question carefully, making sure you understand it. If there is a passage that comes alongside it, do give yourself time to read carefully and se...

To solve these equations you first want to eliminate the same variable from each equation. In this question it is easiest to eliminate Y, to do this we will times equation 1 by 3 to get 21X-18Y=114 and eq...

Magnesium loses two electrons which are transferred to the oxygen atom (so oxygen gains two electrons). In this way, both magnesium and oxygen will acheive a stable full outer shell of electrons. The elec...

A superlative is an adjective that takes a comparison to the highest or lowest degree and it compares 3 or more nouns. However, a comparative adjective is one that describes the difference between 2 nouns...

Change 16 as a power of 2 to get 2⁴. Change 8^2x as a power of 2 gives (2³)^2x. You can times the two powers together giving 2^6x.So 16*8^2x=2...