Answer:
one property of log is that if the log expressions have the same base (in this case, 2), then you can multiply the added logs.
The answer would then be D
0.52 because 52/100 is better than 52/1000 and 52/10000
X+4x=35-20. 5x=35-20. 5x=15. X=3
4x + 6
3x - 2 = x + 8
x = 5
MF = 26