400 is another way to right 4 hundreds
The factor of 12 is (3*4)
So, you are 4
The second answer is correct.
Log5(x)+log5(4x-1)
As the bases are the same the number doesn't matter
Log (a) + log(b) =log (ab)
Log(4x^2-x)
(x )(4x-1)
x=0.25 or x=0
Log(4×0.25^2-0.25) = log(0) = Infinity
Same with 0. So no answer
4*16-16 ? 4[24-2(4+8)]
Since 16+16+16+16 is the same as 4*16 I'l just make it 3*16 (because you minus 16 from it)
3*16 ? 4[24-2(4+8)]
48 ? 4[24-2(4+8)]
48 ? 4[24-2*12]
49 ? 4(24-24)
49 ? 4*0
49 ? 0
49>0
So it is a >
Hope this helps :)