Answer:
y = 12x-6
Step-by-step explanation:
y=mx+b
y = 12x-6
Answer:

Step-by-step explanation:



6 years if you add the years up and look at the ages
Answer:C
Step-by-step explanation: The definition of range is the smallest number subtracted from the largest number. So 21-9 is 12. That shows that C is right
Seventy-two thousand five hundred