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4x + y= 42x + y = 8
y= 4-4xy= 8 -2x4- 4x = 8 -2x-4 = 2xx= -2y= 12

2x^2 - 16x + 6= 2(x^2 - 8x) + 6= 2((x-4)^2 - 16) + 6= 2(x - 4)^2 - 26So a = 2, b = -4 and c = -26

Phosphorus exists as P₄ and chlorine as Cl₂ so elemental phosphorus is a bigger molecule than chlorine. Neither of these molecules has a dipole so both have only induced dipole-dipol...

To answer this question it is firstly necessary to break down what the functions of Congress are, as well as what determines whether something is 'effective'. Normally the best way to break down the funct...

Red blood cells:To understand the adaptation, our first question is actually, what is the function of red blood cells- oxygen transportTherefore, if we want efficient oxygen transport:1)no nucleus- gives ...