Answer:

Step-by-step explanation:
The formula of the area of a triangle is
. Plugging in the given base and height values, you get
. Hope this helps!
Answer:
-11
Step-by-step explanation:
adding two negative integers makes the answers negative too. when adding 2 negative integers, add them like normal addition and then put the negative sign.
Answer:
0
Step-by-step explanation:
0