Answer:
the science of math can almost help us in every task we do in our life, so that, a good knowledge of math helps us do tasks with more efficient and faster too.
this words should help as it's a general one relates every thing with mathematics as it's a very important science.
B - to define his democratic principles
Dr. Martin Luther King shows his democratic principles in this exerpt in his use of the words "rise from the bondage of myths and half truths' as well as 'the need to 'help men rise from the dark depths of prejudice' through nonviolence.
A. My old grey because it cant be C,orD no matter what and it sounds better than B
The downfall... then the resolution
