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25% = 0.25 or also one fourth of the total. Therefore if you divide 400 by 4, this equals 100. One fourth of 400 is 100.

First, I would explain that what the student is referring to is known as a comparative . Then, I would explain what a comparative is ( an adjective or adverb used in a comparison between two things ), and ex...

Interphase Prophase Metaphase Anaphase

(x+2)(x-3)(x+4)^2 = (x^2 - x - 6)(x^2 + 8x + 16) = (x^4 + 8x^3 +16x^2 - x^3 - 8x^2 -16x - 6x^2 - 48x - 96) = x^4 +7x^3 + 2x^2 - 64x - 96)

The first and most important thing is to know your texts inside out. Read and reread again the novels, plays and poetry that you are studying for your exam. Don't be afraid to annotate your books, writing do...