To find BC, you use the Pythagorean Theorem (a^2 + b^2 = c^2).
22^2=484
120^2=14400
14400+484=14884
sqrt14884=122
Answer= 122
Answer:

Step-by-step explanation:
For a standard normal distribution of mean
and 
the statistic 
In this problem we look for the value of X that is 2 standard deviations above the mean.
If there are two standard deviations above the mean, then, in the standard normal distribution, the statistic
.
Then, we clear X.

Where:

The correct answer is -18
37 and 48 became that's what my teacher said
Answer:
16
Step-by-step explanation:

![= 4^2 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ [ \ given : x - y= 4 \ ]\\\\= 16](https://tex.z-dn.net/?f=%3D%204%5E2%20%20%5C%20%5C%20%5C%20%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5B%20%5C%20given%20%3A%20x%20-%20y%3D%204%20%5C%20%5D%5C%5C%5C%5C%3D%2016)