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Comparing to this to ax^2 + bx + c = 0, you'll find that a=1, b=-1, c=90. You need to split b (in this case -1), into two numbers that add up to b (-1), and multiply to ac (90). -> These are -10 and 9....

It is important to try and make sure each quote has several functions when trying to choose them for the exam. This way, you can minimise the amount of wrote-learning you will have to do and concentrate o...

Interest rate's determine the monetary benefit of saving an individuals disposable income - i.e. the rate of return on their savings deposits. When interest rates are higher, individuals stand to gain mor...

The function is to move the respiratory medium (air or water) over the respiratory surface; to maintain the concentration gradient. In mammals, the diaphragm and the intercostal muscles are responsible fo...

There are 3 types of prepositions, akkusativ, dativ and genetiv. Akkusativ is when something is the object in the sentence and is certain prepositions like fuer and durch that always take akkusativ. This ...