Answer:
A- A teacher has 12 girls and 15 boys in her class.
Step-by-step explanation:
12/3= 4
15/3= 5
This means that it will have a ratio of 4 to 5 because it is the only problem where you are able to divide both with a common number, which is 3.
all triangles are similar but B and D may be the answer
The answer is no solution
I'm not quite sure, you should be able to divide the original number by 1
