Answer:
go to this link
Step-by-step explanation:
Videos
2:41
Manipulating expressions using structure (example 2) (video)
So about 0.76 (0.755)
So first find the square root of -24
you;ll get abut 4.9
Now 8-4.9
3.1
3.1/4
0.755
Round
0.76
the answer is 136