Answer:
If both numbers have to stay equivalent, then y equals 30 if x = 12. My reasoning is 12/4 = 3. 3 times 10 = 30.
the answer is 37.5cm^2
The answer is 9 to 8
Hope this helps :)
In Mr. Green's class, we can clearly see that there are 10 girls.
Hope this helps! :)