Rationalizing the denominator, simply means "getting rid of that pesky root at the bottom", and we do so by simply multiplying it by something to take it out, of course, we multiply the bottom, we have to also multiply the top,

11-2×48= 412. So the value of the expression is 412.
The 99.87th percentile, or the area to the left of the 3 standard deviation mark it 99.87% better than everyone/everything else.
So -x can also represent -1
You want to divide both sides by -1 so you can get -x to be just x
-x divided by -1 = x
-24 divided by -1 = 24
Your answer is x=24
0.90 Is the answer hello hi ahsiodend