It was oil that was discovered in Ecuador
Answer: The correct answer is : The density of oil in a circular spot is given by :
s ( r ) = 50 / (1 + r), given in kg / m2 ; kilograms / square meter
s = density
<span>Lake Nicaragua is the largest in central america</span>
If the equations have the same slope for example y=4x+2 AND y=4x+3 have the smae slope of 4/1, making them parallel but if the don't have the same slope for example y=2x+3 and y=4x+4 then they are not parallel
