At 2:00 p. m., Brandon said it was 10°C. Eight hours later, Brandon said the temperature dropped 18°C. What is the temperature at 10:00 p. m.?
A -2°C
B. -8°C
C. 10°C
D. 28°C

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