Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a. heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular

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

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?