When the following quadratic equation is written in general form, what is the value of "c"?

-3/4x^2 + 2 = 0

-8
-6
-2

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?