This would be easy if you made more sense out of the question.
This transaction is "capital loss" because he lost money in buying 10 shares of Apex Company. He bought them for more than he sold them for.
Answer: Yes
Step-by-step explanation:
Yes, they are, because if you multiply 2*6=12 and 3*6=18, so here we multiplied both 2 and 3 by the same number (6) and we got the same result 12:18. This method also works with fractions.
The period of oscillation of a pendulum is

Where L is the length of the pendulum and

the gravitational acceleration.
Re-arranging the formula and using T=1.0 s, we find the length of the pendulum: