Answer:

Used a calculator to find all the square roots, .06's is 0.24, which is the closest out of all of the options to the graph.
That would be A. Just work backwards starting with your answer.
Estimating is an educated guess, so 3/8 is just less than half, and 1/12 is just a bit more than 0. So you could estimate that 3/8 + 1/12 = roughly 1/2
<span> if you add 3/8 and 1/12 you get 11/24</span>
It meter and gram because it not kilometers or kilograms