-5y+4=-11 what is y in this expression

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

What is the length and width of a 84.5 square foot rug? will mark

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer