Correct me if i'm wrong, but i think it's b, since you add the exponents and keep the 4 the same.
All you do is subtract 5.5 oz from 12.25 oz, so the answer is that the blue balloon has 6.75 more oz than the other balloon.
Answer:
the values of it is the first one. meaning: f(-2)
Because the two vertices have the same x-coordinate, the side is a vertical line. It starts vertically from -18 to 18
the length = 18 - (-18)
the length = 18 + 18
the length = 36
The length of the side is 36 unit
-3x+2 < 8
-2 -2
-3 /-3x <6/-3
x >-2
So x>-2