3x-5 is a midline of that triangle so:

Answer D.
Answer:
c =1.50n +2.50
Step-by-step explanation:
c=1.50(n-2)+5.50
The first step is to distribute the 1.5
c= 1.50*n -1.50*2 + 5.50
c = 1.50n - 3.0 +5.50
Now we need to combine like terms
c =1.50n +2.50
153 000 = 100 000 + 50 000 + 3 000
Answer:
A
Step-by-step explanation:
