Answer:
8/11
Step-by-step explanation:
There are 12 + 20 = 32 nurses and 32 + 12 = 44 staff in all. The answer is 32 / 44 = 8 / 11.
9,11,14
the pattern is add one then add two then add three
5n+5
5(n+3)-10
5n+15-10
9 blue marbles
12 divided by 4 = 3
3x3=9
no