Practice... Practice makes you perfect.
It's correct to say that a person is good AT mathematics.
Being good on mathematics is a sign that a person probably is good on all other disciplines, unless that person is not interested on anything else.
No single person made mathematics: it was, and continues to be, the combined effort of thousands of mathematicians.
a mathematician
There are many uses of mathematics in businesses. Share market is one use so if it has good mathematical statistics then it is a good company to invest in. Profits and losses is another mathematical operation. Also how much salary and other benefits like compensation, commission etc is decided by mathematical operations. Finding out how much money a company makes, interest and all that is through use of mathematics. Hope this is good enough :)
It's correct to say that a person is good AT mathematics.
There is no difference between the phrases, "good in" or "good at". If a person is good in Mathematics, they are also good at Mathematics.
Usually yes. A person who does not like mathematics is almost sure not to like thermodynamics!
Yes
This makes no sense. Engineers know math.
What makes a good person is different for everyone. Often times, being helpful, respectful, and considerate makes a person good.
"My mathematics is good" is correct out of the choices given, but a better sentence would be "I am good at mathematics".
Being good on mathematics is a sign that a person probably is good on all other disciplines, unless that person is not interested on anything else.
It is not bad to be good at mathematics. It is specifically good.
Only a person who does not understand mathematics is disadvantaged. Mathematics in itself has no disadvantages.
It makes you smarter at mathematics for sure, but you can't tell from just that what your overall level of intelligence is. There is no way being good at mathematics can make you "dumber" at anything unless you also spend so much time on math that your verbal and social skills are neglected.
To become a pediatrician a person is required to be really good at mathematics. Some of the mathematics units required include calculus, algebra, and geometry.