Answer: Infinite solutions
Step-by-step explanation:
I think 55 because you would multiply 11×5
If both triangles are similar the ratio of sides will be same

Answer:
Your answer is 12
Step-by-step explanation:
Start by multiplying 9 and 1 1/2. Then add 7 1/2. Now divide by 1 3/4
Answer:
I'm not for sure about this one but if I did my math right it should be 68 sence it would be 48 if you didnt add 20