If you are trying to find the area the answer would be 48
Answer:

Step By Step Explanation:
Apply Exponent Rule 


Rewrite 84: 
Rewrite 24: 

Factor Out Common Term 

➤ 
No no yes yes
please mark brainliest
Answer:
Step-by-step explanation:
1.

c+9=±8
either c=8-9=-1
c=-8-9=-17
so c=-1,-17
D
2.
8x^2-3=2
8x^2=5


so A
3.

so D
or
To solve, substitute the values of x with 2.
(2)^1 - (2) - 1 + 2^0 = 0.
The answer would be a)