Mason has a candy bar into 12 equal pieces he eats one third of the candy bar has brother eats 1/4 of the candy bar and he saves the rest of his candy bar for later what fraction of candy bar does mason save for later

I’m really confused and need to learn this

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio