It’s A because I did the test lmafo
First, isolate the x:
5x-2x= 2-3
Then solve!
3x= -1
x= -1/3
Hope this helps!
N^2 = 24 + 2n
n^2 - 2n - 24 = 0
(n-6)(n+4) = 0
n = 6 , n = - 4
12•6= 72
If you were finding volume then you would multiply it my 8 too, but you need to find area