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Let's reorgansie the information we've been provided with in the question: Colour of marble - number of marbles in the bag Blue - 2x Green - 7 Red - 7x + 5 Orange - 4x - 3 Probability of the green marble ...

Factorise the numerator: x^2 + x - 6 = (x+3)(x-2)

Factorise the denominator: 3x^2 + 9x = 3x(x+3)

Cancel '(x+3)'

Answer: (x-2)/3x

The cyrrilic alphabet is quite difficult for foreign language learners, especially if you are only familiar with latin writing and pronounciation. The most common difficulties that students face are prono...

The first thing you should do when you see a poem is read it and write down first impressions. This should include what on first glace you think the poem is about. It is highly likely, that your first imp...

A hormone is a chemical messenger which travels in the blood.  Hormones cause other tissues and organs to either produce other hormones or carry out chemical reactions. Water-soluble hormones cause this b...