Jenny is trying to find which phone is the most popular amongst the students at Norcross. She surveys the senior class,
A)Stratified
B)Systematic
C)Simple Random
D)Cluster

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