Answer:
0
Step-by-step explanation:
The opposite of 12 is -12, and 12+(-12)=12-12, or 0.
One difference is that when graphing linear inequalities, we have to shade the section where the inequality is true.
Answer:
40
Step-by-step explanation:
50% is equal to 1/2 so if we multiply 40 by 2 you get 80 then subtract what she already did and you get 40.
hope this helped