Answer:
the 2nd one
Step-by-step explanation:
Answer:
1. option B is correct i.e., 
2. option D is correct i.e.,
.
3. option B is correct i.e.,
.
Step-by-step explanation:
1. Since the given equation is:

As we know that 
So, the given equation can be represented as:

2. Given equation is:

As we know that 
so the given equation can be represented as:
.
3. Given equation is:

by using the properties
,
and 

= 
= 
= 
= 
=
.
which is option B.
Answer:
F x=1/2
Step-by-step explanation:
Squares have all equal sides so 10x4=40 40 ft is the answer
I don’t see a picture but to length x width x height :)