Michael cleans 90 cars in 5 days. How many cars does Michael clean per day? A 20
B 15
C 16
D 18

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