Answer:
A) the main idea is what the paragraph is about
Explanation:
from the words main idea you can guess it can't be b or c because that doesn't make sense. its not d as well that's a different topic. so your answer is a which explains it the best. hope it helps you
It is being used as an adjective in the sentence, so the definition is,
<span>"(of an action) convenient and practical, although possibly improper or immoral."
</span>
The meaning of the word "expedient" most likely means practical or convenient
Months don't have 80 days (only four months of 30 days make eighty days).
Months have 30 or 31 days. February is the only month with 28 days, except for leap years in which February has 29 days.
January, March, May, July, August, October and December have 31 days. Whereas April, June, September and November have 30 days.
This sentence has one independent clause
The compound sentence is B