76.2cm : 30in is the answer I think
Answer:
3^2, 9 students.
Step-by-step explanation:
I'm not 100 percent sure about this but I'm pretty sure that because there are 3 rows you can just do 3^2 which is 9.
Given rational expression is:

Now we can simplify this by factoring as shown below:





Hence final answer is 
Answer: 46,000
Step-by-step explanation:
Answer:
I do not think I can answer this without any pictures.
Step-by-step explanation:
Sorry, but could you attach a link or maybe sketch it out?