I need help on this question

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

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?

Me asap! what is the slope of this line? enter your answer in the box.