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zy=28 so y=28/z13=2z-3y13= 2z - (28 x 3)/z13=2z-84/zmultiply each side by z to give 13z = 2z²-84rearange for a quadratic2z²-13z-84=0solve by factorising(2z+8)(z-21/2)z= -4 0r 21/2sub...

As with many questions in economics A-level, I would start my answer with a paragraph explaining how under certain assumptions, an efficient allocation of resources can be achieved through the market mech...

Milgram (1963) conducted a social psychology experiment to investigate to what level individuals would be obedient to an authority figure. Participants arrived in pairs and he instructed them that the exp...

Aerobic respiration requires oxygen to completely break down glucose and produce energy. The equation is C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O. Anae...

In English literature, an answer must be structured in a specific manner. The best way to do this is use the PEE method. This is point, evidence and explanation. If the question asks about how a certain t...