Answer:
Any value greater than -9 and less than -3
Step-by-step explanation:
Explained and uploaded
The area of a square would me multiplying the width times the length and then multiplying by one half would be like splitting the square in half so your answer would be that last one right there. 6*6= area then multiply by 1/2 = half of area Hope this helps! :D
The answer would be the first choice 4+b
Yes you did those two correctly