help plsssssssssssss

Answer:
D [tex]\sqrt{43}[/tex] is the right answer
Step-by-step explanation:
I. If Number is devided by 4 or 25%
25% + 25% is 50%
50% = [tex]\frac{50}{100}[/tex] is 0.5
II. When 6 + 0.5 = 6.5
Use calculator the nearlest value is [tex]\sqrt{43}[/tex]
[tex]\sqrt{43}[/tex] = 6.557
So we'll pick D.choice
Hope that help :D