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How to do simultaneous equations?

Give the student an example question.e.g: past paper question from OCR (higher tier) paper 4 2017 Each week Dan drives two routes, route x and route y. One week he drives route x three times and route y twic...
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Answered by Rachel R. • Maths tutor
9077 Views

What's the difference between glacial erosion and sub-aerial processes?

These are geographical terms which are commonly mixed up, due to the similar nature of the terms. In brief, the difference is simple - glacial erosion is the erosion process and consequences physically cause...
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Answered by Laura B. • Geography tutor
5921 Views

How do I form the subjunctive mood? And what is it for?

First of all, it is necessary to recognise that the subjunctive is not a tense, but rather a mood. This means that it is used to express certain moods and emotions through the verb, rather than a period of t...
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Answered by Laura B. • Spanish tutor
2186 Views

What's the difference between the past tense and the imperfect tense?

To start, the past tense of a verb, better known as the 'perfect' tense, describes an event or action taking place at a different time period compared to the imperfect tense. The perfect tense describes a 'o...
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Answered by Laura B. • French tutor
2531 Views

To what extent was the First Crusade motivated more by religion, or other factors?

When answering a question such as this it is important to break it down and gleam its true essence. First, the question requires the student to recall other factors which could challenge religion's dominance...
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Answered by Luke J. • History tutor
7793 Views