Answer:
<em>n = - 2 </em>
Step-by-step explanation:
( a ± b )² = a² ± 2ab + b²
~~~~~~~~~~~
n² + 4n + 4 = ( n + 2 )² = 0 ⇒ <em>n = - 2</em>
Answer: 6.72 grams per milliliter
Answer:
107/10
Step-by-step explanation:
If its set as 10 7/10
10 x 10 = 100 + 7 = 107
107/10
<span>c = w * t*k
</span><span>198 = 220*5k
</span><span>198------ = k = .18220(5)
c = .18(175)(6) = 189
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