Find the exact value of sin 2pi/3

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

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

Witch represents the inverse of the function f(x)=1/4x-12