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a) 6x+8=2x, 8=-4x, x=-2

b) q² + 7q -3q - 21, q² + 4q - 21

The structure of all the American 15 marks are the same, three to four main points, with at least one example per point. Unlike the the 45 markers, you don’t have to create a debate, rather just explain t...

Vicarious liability is a concept used by the civil courts to allocate legal responsibility to a person (A) for a wrong committed against another person, when A is not personally at fault. Employers may be...

This question is about standing waves, the bar of chocolate melts only in the positions where antinodes are formed on the standing wave as they transfer the most energy as they have the greatest amplitude...

Using rows to represent mathematical operations and a column for each compound we can draw ourselves a table:

                             Ca       W      O
%                         13.9    ...