I dont understand this problem

D and F

Step-by-step explanation:

can be rewritten as .

From there you can use the quadratic formula (ignore the A, I can‘t seem to remove it), where a=1, b=4, and c=-8.

Then you get

Then you get

So

Which means or which are choices D and F.

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.