Asweatshirt that was originally priced at $42.50 has been marked down to $34.00. what is the percent decrease? a. 15% b. 20% c. 80% d. 25%

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