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First and most important point about writing commentary: make sure you read it! Read the passage at least twice, the first time to get a general gist of what the passa...

Ultimately, you must not forget that the signification of all literary devices is dependent on their context. There is no standard connotation of any device.  1. The declarative sentence mood:  This mo...

Normal manipulation of inequalities does not affect the direction of the inequality such as:
addition
subtraction
multiplication or division by a positive number, 

Reminder - a cartesian equation is written in terms of x and y (e.g. y = 2x + 3) while parametric equations are written with x and y separately in terms of t.

Example: Find the cartesian ...

Electron pairs arrange themselves so they are as far apart as possible (electron pair repulsion theory). In a covalent compound, the number of electron pairs around the central atom determines the shap...