One-eighth of a number is -4,200. what is the number? a.-33,600 b.-37,800 c.-42,000 d.-42,800

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