B.
Use the photo for future references.
Answer: B, the index fossils in the area of the bones.
(I do need 1 more brainliest to rank up, so if my answer is correct, that would be great, sorry if I sound rude.)
The student wrote the wrong operation. "The sum of 5y and 3" translates to 5y+3. And here means addition.
I think it wold be b
please tell me if i wrong
Answer:
m=4 is the correct answer