Answer:
-0.3125
Step-by-step explanation:
Subtract 3.5 from both sides
4t = -1.25
Divide both sides by 4
t =. -0.3125
1.3335
1.8
is the median
DG=9
2x-4=x+7
x-4=7
x=11
x-2=11-2=9