7+5=12 so it can be one of these 8+4=12, 9+3=12, 10+2=12, and 11+1=12.
Answer:
7
Step-by-step explanation:
Since, Sophia had three pages of homework and she only has three left you can set up an equation to solve. The equation would be 10=x-3, then you just solve the equation which would be 7, hope that helped.
Answer:
About 9.38
Step-by-step explanation:
Since the 
is between the 
and the 
which simplified is 9 and 10, you just need to guess and check. Eventually you'll get about 9.38 (I used Google cause I was lazy) And if it isn't between the numbers 9 & 10, it's wrong.
Answer:
6.5
Step-by-step explanation:
