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Answer:  (X+5)(X+2)=0   X=-5 or -2 We first look for to numbers that multiply together to make 10 (1 and 10, 2 and 5 are the only pairs)  We choose the pair which also adds together to the 2nd term, 7. We...

The breathing rate increases at the start of exercise then reaches a peak and plateaus during exercise. After exercise the breathing rate will gradually fall, but this may take several minutes.

Dur...

Before you start planning or even thinking about your answer, READ THE QUESTION a few times and RELAX. Highlight the key words in the question, which could be a theme, a character or a quote but also look...

Depressions are areas of low atmospheric pressure caused by rising air. The rising air causes clouds to form, typically leading to rainy weather. The presence of air fronts (boundaries between air masses ...

We divide 60 by 2 as many times as possible to get 60 = 15 x 2 x 2. 2 is a prime number so we don't need to break the 2's down any more. Instead we break 15 down. 15 doesn't divide by 2 so we try the next...