Answer:
associative property
Step-by-step explanation:
3, assuming 2x2 is 2x squared, u will get
4 + 6x3 - 10x2
So 3 terms
Answer:
Length is 20 m and width is 4 m.
Step-by-step explanation:
Given:
Perimeter of the rectangular alley, 
Length is 5 times the width.
Let width be
.
So, as per question,
Length,
Now, perimeter of rectangle is given as:

Plug in 48 for
,
for
and
for b.

Therefore, width is 4 m.
Length is
m.
Idk your best bet is to look it up online thats what i do often