Answer:
Topic The topic is the general subject of a paragraph or essay. Topics are simple and are described with just a word or a phrase. Main Idea The main idea is a complete sentence; it includes the topic and what the author wants to say about it.
Explanation:
Hope this helps you :)
A(x,y) b(x,y) slope is y-y\x-x
so Ay-BY/AX-BX
d-0\0-d
d/-d=-1
English and Spanish. But mainly English.