Step-by-step explanation:

Answer:
A. 2.9
B.121.6
C.3.34
D. (sorry i don't know this one.
E.i don't know this one either
F.24.61
Answer:
3,0
Step-by-step explanation:
Gas vibrate and move<span> freely at high speeds. liquid vibrate, </span>move<span> about, and </span>slide<span>past each other. solid vibrate (jiggle) but generally do not </span>move<span> from place to place.
</span>
Answer:
The correct option is (A).
Step-by-step explanation:
The expression Carey is solving is:

Simplify the expression as follows:


So, in Carey's calculation the third step is incorrect.
Instead of 27 the three-fourth must be multiplied by 36 to get the correct answer.
Thus, the correct option is (A).