<span>x^2+8x-20=0
Factor the left side of the equation
</span><span><span>(x−2)</span><span>(x+10)</span></span>=<span>0
</span>
Set the factors to both equal the number 0
<span><span>x−2</span>=<span><span><span>0
and/or
</span>x</span>+10</span></span>=<span>0
</span>x = 2 and/or x = -10
Answer: 
Explanation:
Using Weins displacement law:
where
= wavelength = 
b = constant =
T = Temperature in Kelvin = ?
Putting the values we get:

Thus the temperature of the blackbody will be 
The correct answer is<span> A. a decrease in the dumping of hazardous waste
It was an act regarding all aspects of hazardous waste disposal that didn't leave anything to chance. From it's creating to it's disposing, every part was precisely defined how it should be handled. </span>
Around 1800 (plus or minus about 5 years) is when it was estimated that the world's population had reached 1 billion.
Lake Ontario<span> is east of </span>Lake Michigan<span> East. From the top of </span>Lake Michigan<span>, southeast. From the bottom of </span>Lake Michigan<span>, northeast.</span>