well, if the expression is simply 12-2, then you would do simple subtraction and your answer would be 10. that would be simplest form. you cannot take it any simpler because there is nothing else left now. your answer would be 10.
Answer:
Step-by-step explanation:
there are 161 boys and 225 girls.
3.1 degrees celcius
5.6C-2.5C=3.1C
