The answer is C because when adding two negatives it equals a positive
The answer is -3/2 lmk if you need an explanation :)
The answer is A because the square root function needs to be greater than or equal to zero bc the circle is filled and you can’t have a negative radical. It’s also choice A because the -1 is outside of the radical which means it’s being translated downwards from the parent function. Hope that helps ;-;
The formula of combination is

We have

and


Hence, there are 1001 ways of arranging 10 records from 14 records