I think the answer is x2 + 3x -28 and the x2 is x to the POWER of 2
Lets try
centimeter is about 1/2 of a inch
if 28 square cm, the book coould be about 4m by 7cm (aoub the size of a recipt)
if 28 square in the book could be about 4in by 7in (regular size)
I would guess 28 square INCHES (cm is too smal)
Answer: I believe B
Step-by-step explanation: