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Final Answer: a² +3a -18 Using FOIL (First, outside, inside, last) we multiply the terms in the brackets together. First: 3a multiplied by a = 3a²  Outside: 3a x 3 = 9a Inside: -6 x ...

gradient =  3

Fristly we need to define recurring decimal as a rational number that does not terminate.

Example 1, 0.444444444...

Example 2, 0.123123123...

A fraction is a number in which the numer...

I cannot stress this answer enough, but, ALL of them. TWICE, at least. When it comes to Maths, past papers will without a doubt be the key to unlock your target grade. Success in maths comes with practice...

First you need to find the difference between the terms. (The difference is how we get from one term to another.) In this case the difference is -3 because 26 - 29 = -3, 23 - 26 = -3 and so on. For a line...