(x+y)^2=x^2+y^2+2xy=73+2*24=73+48=121
⇒ (x+y)^2=121
If you multiply 12 by 0.1, you get 1.2. To write this as a function you would say y is x multiplied by 0.1.
y=0.1x
$30 because you are taking away 20% of $30 and then adding back that 20%.
He has 1/3 of a whole chance of getting his way of transportation, we have three ways t<span>eleport, ride a dragon, and walk, we put all of our options on the bottom and we pick the amount we need to the top and since we only want one of the three it's 1/3, 3/9, 4/12 or 5/15 and so forth</span>
