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Newton’s law of gravitation states that the force of attraction between two objects due to their masses is proportional to the product of the two objects and inversely proportional to the distance between...

The heart is made of cardiac muscle and is split into 4 chambers known as atria and ventricles.Low pressure, deoxygenated blood from the tissue enters the right atrium via the superior and inferior vena c...

The theme of alcohol is recurrent through ‘Streetcar’ to assist Williams in his presentation of complex gender roles. This motif becomes one which is associated with men, in particular Stanley as the alph...

Circle equation = (x - a)² + (y - b)² = r²Where Centre coordinates (a, b) and radius 'r'Therefore x² + y² + 8x - 12y = 12 is to be rewritten in this ...

Rewrite (x − 4)(2x + 3y)² as (x - 4)(2x + 3y)(2x + 3y)
Multiply out the first two brackets to give -(2x² + 3xy - 8x² - 12y)(2x + 3y)
Multiply o...