If a/b=1 and a+b=10, then what does ab equal?

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

How far is x from 5 on a number line?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9