Find Total weight at left side

Now
Per block weight at right side

Answer:
- 6x³ - 1
Step-by-step explanation:
Substitute x = g(x) into f(x), that is
(f ○ g)(x)
= f(x³ )
= - 6(x³) - 1
= - 6x³ - 1
Answer:
Its Option C
Step-by-step explanation:
The difference is 180 - 135 = $45
So it is 45 * 100 / 135
= 33.33% greater
Answer:
Step-by-step explanation:

The answer is D I believe