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Fixed are costs that do not change with the level of output. For example, heating bills would be a fixed cost. Whether we make 100 computers or 300 computers, our fixed costs do not change. Variable costs...

This is a linear sequence which we can see increasing by 4b with every consecutive term.

Given the values of the first 3 terms, we can see that the 4th and 5th terms must be a + 14b and a + 18b...

There are two ways to express an action in the future. You can either use the near future tense, using the present tense of 'aller' (to go) followed by the infinitive or the simple future tense where you ...

The mark scheme requires that you provide a 'multi-causal response' for you to score full marks. This should mean that you provide two or three reasons why there were disagreements. Also, make sure that i...

First of all we need to find the coordinates of the point D. As D is halfway between the two points A and B, to find the midpoint of a line segment, we add the x coordinates then divide by 2, and add the ...