I need help with, "putting it all together:ratios, rates, proportions

These are my answers:
1. There are 18 boys and 12 girls in a math class. What is the ratio of girls to total studsnts? (1 point)
My answer: 12:30
But I need help with the rest!!!!

100% for people with connexus

1.
12:30

2.
18:27

3.
9:95

4.
245 words

5.
3:6 and 5:10
4:12 and 6:18

6.
28

7.
1

Libra and BeeVee are correct

1. 12:30

2. 18:27, 30:45
3.9 for 95
4. 245 words
5. 3:6 and 5:10, 4:12 and 6:18
6. p=28
7. 1

so does anyone have all the answers?

Tysm libra and beevee you saved my life!!!

Right, but can't help with the rest unless you give us the data.

im gonna take it and post the answers for connexus

same but i need the written quiz too

w BOTH OF YALL

Thank you for helping me out with this!