<u>Answer:</u>
○ 
<u>Step-by-step explanation:</u>
Given the equation:
,
to solve for
, we have to rearrange the equation to make
its subject.

⇒
[expand brackets]
⇒ 
⇒
[add
to both sides]
⇒ 
⇒
[subtract 96 from both sides]
⇒ 
⇒
[divide both sides by 20]
⇒ 
Answer:
the answer is b
Step-by-step explanation:
i took the test it is b. The sum of the areas of faces A, B, and C.
Answer:
9.99
Step-by-step explanation:
Answer:
12 m
Step-by-step explanation:
This can be solved using the Pythagorean theorem
a^2 = b^2 + c^2
20^2= 16^2 + c^2
400= 256 + c^2
400-256= c^2
144 = c^2
c = √144
c= 12