Answer:
6
Step-by-step explanation:
Suppose the width is "a". Then the length is 2a.
2(a²) =72 Divide both sides by 2
a²= 36
a=6
Answer:
4
+2
Step-by-step explanation:

=
×
=
=6
+ 6 -
- 
=6
+ 6 - 4 - 
=6
+ 2 - 
=6
+ 2 - 2
=4
+2
for
= 2
,
= 
= (
)^2 ×
=2 ×
Answer:
8
Step-by-step explanation:
It be wayyy to much to put 13 it would make the mean 9 8 is perfect
You need a picture of the data table...
D, think as 13 dividing 2, you get 6 and have one left