Answer:
a = 4
Step-by-step explanation:
STEP 1) 4a - 16 = 4 • (a - 4)
For a you will see a bar graph and the dependent o think would be bird species
I'm not good with intigers, but if you added two negative intigers together wouldn't it still be negative? If you added -1 to -2 you'd get -3. It would always be less than the two original integers.
I think not sure I think -2 but if I had the whole answer to your question I might know more