A colon, when placed between two numbers indicates a ratio.
For example, 1:1 is saying that something is at a 1-to-1 ratio.
This would be better in the Math section though, but I'm happy to answer.
Answer:
2. because Malia brought cookies
Explanation:
It's a clause with a subject and verb, yet it is not a complete sentence because of the adverb at the beginning that signals it is a dependent clause.
Answer:
The answer is A
He notes how the space program will benefit a college known for its scientific research, as well as the jobs that have been created by the space industry
<u>PS:</u> I didn't know that you already got the answer otherwise I wouldn't have troubled myself.
I hope it helps someone else though