Answer:
D
Step-by-step explanation:
Sorry if the answer is late
Answer:
-3.8
Step-by-step explanation:
-3.8+7.2=3.4
I don’t know what the drop down options are so I can’t answer your question. Sorry but can u pls help answer my question I just posted? That would be very helpful thx!
Answer:

Step-by-step explanation:
Given : The formula for the area of a trapezoid with altitude k and bases m and n is 
We have solve for m .
Consider the given formula 
Multiply both side by
, we have,

Now subtract n both side, we have,

Thus, 