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Firstly, it is important to try to reduce the risk of this happening beforehand by learning as many quotations as possible. A good way to look at it is that no quote you learn will be unhelpful, and every...

Internal and external validity both relate to the evaluation of a research's study / procedure' validity.
Internal validity refers to whether there is a causal relationship between the independent va...

First equate the factor to equal 0 then solve:x -2= 0;x = 2;
now plug the number 2 into all the X values:
(2)^2-4(2) + 4 = 8-8 = 0

You’ll first need to place the CSS file in a folder that you can call upon. In this example the file named “stylesheet” is in a sub folder of the main directory called “style”. Therefore, the directory pa...

The equation for the volume of a sphere is:v = 4/3 x pi x r^3
from this we can see the information we need to find out is the radius of sphere.
in this example the radius is 2cm. therefore, the...