Answer:
The four main purposes of writing are, to persuade, to inform, to express, and to entertain.
Explanation:
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To answer this question you need to use the Pythagorean theorem. First you substitute the values for a and b. Usually, the value of c represents the hypotenuse in this case c represents the incline of the ramp. As you can see in the following calculations we set a to be the base of the ramp while b is the height of the ram.

We get that the incline of the ramp is about 3.556 meters however we can round it up to be 4 meters. The final answer needs to be given in feet, and 1 meters is 3.28 feet. Therefore to get the answer in feet we do the following calculations:

Therefore the ramp incline should be 13.12 feet.
They are nominated by the President of the United States and confirmed by the senate.
The answer would be an opportunity cost