Dennis goes to a state fair. The fees are $10 for entry to the fair, $3.50 for each ride, and $3 to play a game. Dennis goes on r rides and plays g games. Which of the following expressions represents how much money Dennis pays?

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