Answer:
7.5
Step-by-step explanation:

Answer: C
Step-by-step explanation:
The x times 4 equals the y in each column.
A common denominatortor 9 and 12 is 3 and 6
Answer:
The greatest common factor of 12m^2 and 9b^4 is 3.
I hope this could help, let me know if you need anymore help.
Mousy=m
Mrs. Computer=3m
m+3m=52
4m=52
m=52/4
m=13
mousy=13, Mrs. Computer=3*13=39