If there is a decrease in the money supply that causes money ot gain purchasing power and prices to fall what is this called

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?

Is it greater than or less than7*3_9*2

Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?