4, because you can't have a negative square root.
C
Mark brainliest please
Hope this helps you
Let numbers be x and y
ATQ
Adding both



Now putting value in eq(2)



Answer:
n=35
Step-by-step explanation:
-3(n-16)= -57
-3n+48= -57
-48 -48
-3n= -105
/-3 /-3
n= 35
The answer should be D since after 5 am to 7 am only two hours have passed so x=2, and then you plug in the x as 2 and solve it. You might get not around answer like 39.785 but when you round it, it would be 40.