To find the number of years between 1844 to 2015 you have to subtract.
Lets say that x is the # of years in between 1844 and 2015
Then we have:

After doing the subtraction using a calculator or a pencil and paper, you get that:

So 171 years have passed from 1844 to reach to 2015.
Answer:
1/10
Step-by-step explanation:
1/2 divided by 5 = 1/10
Answer: her present age is 4
Step-by-step explanation:
Proof: 4+12=16
Square root 4 is 16
Depends on how u look at the data and how the data is drawn out