Which correlation coefficient represents a strong, positive linear relationship? (4 points) r = 0.47
r = −0.47
r = 0
r = 0.86
r = −0.86

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?

Standard deviation of 19,29,21,22,23

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.