What number is 36% of 3.18

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

What could explain what happened when the time was equal to 120 minutes