What is the answer to the problem in the picture?

How to simply and write the answer n a whole number

Plz hurry evaluate the expression a+b where a=8 and b=19

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y