Help pls and (if there is a stupid question on my account pls don’t answer it bc that’s my stupid little brother and I told him not to but he still does what he wants to do)

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

Snakes, dogs, and humans have a vertebral column. snakes and dogs have tails, and humans have vestigial tailbones. dogs and humans have limbs, but snakes do not. most reptiles lay eggs, but a few give birth to live young. what do these structures suggest about the evolutionary pattern between the three organisms? 1. snakes and dogs are more closely related than snakes and humans. 2. snakes and humans are more closely related than humans and dogs. 3. dogs and humans are more closely related than snakes and humans. 4. dogs, snakes, and humans share a common ancestor. 5. the early ancestor of snakes and dogs is the same, and the early ancestor of humans is different.

According to the passage weisers mother could be blamed for