Answer:
12.36
Step-by-step explanation:
the standard deviation is 12.36123 or 12.36 rounded.
Answer:
xy
Step-by-step explanation:
Let's take a look at what factors 
and 
have in common.
is composed of 
and y, and is composed of x and 
. Notice that both x and y are factors of them, so the gcf is xy.
Answer:
Please see attachment
Step-by-step explanation:
Please see attachment
Answer:
c = √85
c = 9.2
Step-by-step explanation:
a² + b² = c²
7² + 6² = c²
49 + 36 = c²
85 = c²
c = √85
c = 9.2
Answer:
-64
Step-by-step explanation:
a(b - c)
a = -8
b = 12
c = 4
So, you'd plug in those numbers:
-8(12 - 4)
You'd start within the parenthesis's, so:
(12 - 4), which equals (8)
-8(8)
= -64
