Answer:
(3)
Step-by-step explanation:
if Maria is 39 in 10 years and m is her age today then you would have to add 10 to m to get 39
m+10=39 years old
f=2
3=9-3f
3-9=-3f
-6=-3f
2=f
16n^2+40n+25
mode is 8.Hope it helps