8? I mean its kind of a guess
By multiplication, 12*(1/4) = 3
by division, 12/4 = 3
in words, a quarter of 12 is 3
C) -23x + 12 .. You're going to multiply the 4 to what's inside the parenthesis. So you'll get 12-24x+x Then just add the like terms which are the x's. 12-23x or -23x+12