Answer:

Step-by-step explanation:
When you multiply two exponents together with the same base, the exponents get added
Here the base is the same ie b
So 
The constants multiply in the usual sense so 7(-9) = -63
Answer is 
Answer:
if the length of segment A'B' is 12 units, what is the scale factor of the dilation?
Step-by-step explanation:
Answer:
125
Step-by-step explanation:
25
+100
____
125