Roberto delivers 252 newspapers each morning. This morning, he has already delivered 197. He subtracts to find that he has 55 left to deliver today.

252 minus 197 = 55.

Which equations can he use to verify his calculation? Check all that apply.

A. 197 + 55 = 252
B. 197 – 55 = 142
C. 252 – 55 = 197
D. 252 + 197 = 449
E. 55 + 55 = 110