Answer:
-18+9k
Step-by-step explanation:
If you use the distributive property, you get:
(-3*6) and (-3*-3k)
If you simplify each of them you get:
-18+9k
Answer:
B. -21a-15
Step-by-step Explanation:

Answer:
i dont get it please alaborate
Step-by-step explanation:
Answer:
since there is no image attached I can't see what weight they could be labeled but since the scale is even the weights must be the same number weight
Step-by-step explanation:
hope this helped!