What is the answer to this problem?

First question:

Reduce the ratio

  150 ml

   0.3 l

Do this by use of the appropriate conversion factor:

  150 ml       1 liter         150 liter
* = = 0.5 liter.
   0.3 l         1000 ml       300

Darren drinks more milk:  0.5 liter versus Randy's 0.3 liter.

Aquadratic function is one of the form f(x)=ax2 + bx + c l, where a,b, and c are numbers with are not equal to zero.