Answer:
k = -2
Step-by-step explanation:
If 
Then

So

From this follows k = -2
Answer:
Nitrous Oxide
----------. --------
<h2>N. O</h2>
___________
Because ,the resulting Height would be Zero which won't be able to form a ∆ .
D) 4.5 Standard Deviations Above the Mean
All you have to do is add .2 to 6.6 until you reach 7.5
6.8
7.0
7.2
7.4
Then you only need half of .2 to reach 7.5, so it's 4.5 standard deviations above the mean
Answer:
43cm
Step-by-step explanation:
96-10 (5 x2 sides)=86
86/2 sides=43 longest side