3x^3 - 7x^2 + 12 - 3x^3 -6x^2 - 10x
= -13x^2 - 10x + 12
Answer is B
-13x^2 - 10x + 12
20:12
i think. 20 being the number of total students to 12 which is the number of boys
Answer:
-0.28
Step-by-step explanation:
