Answer:
it is because 20 + 20 is 40 and then 40 - 20 = 20
(42 - 14sqrt2)/5 because rationalizing means getting the root out of the denominator, which is done by multiplying the denominator by a negative or positive root depending on the situation
Step-by-step explanation:
The main difference between Save and Save As is that Save helps to update the lastly preserved file with the latest content while Save As helps to store a new file or to store an existing file to a new location with the same name or a different name.mark me brainlist if i help
Answer:
I think the answer you got is correct.
