The answer to this is C.54 units² .
Area=1/2 base*height
base=12
height=9
12*9=108
108/2=54
Area=54
Answer:

Step-by-step explanation:
Another way to express 56 is
because they are equal values.
I got -2 as the slope hope this helps:)
Answer:
2/11 will be your answer :)
Step-by-step explanation:
Hope this helps ✨