Answer:
here is the answer. hope it's helpful
-7b-9k+6
Step-by-step explanation:
-4b+(-9k)-6-3b+12
(-4b-3b)+(-9k)+(-6+12)
-7b+(-9k)+6
It is -1 with 1/2.
4 batches of cookies
All triangles equal 180 degrees.
