working 5 hours daily , the workers take 12 days to plough a field of 30 ropanies. How many hours a day should they take to plough 60 ropanies in 18 days

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

Restrictions on f(x) = 1/x+5 and g(x) = x-2

Write the product as a trinomial. (x + 2)(x + 3) x2 + 5x + 6 x2 + 6x + 6 x2 + 6x + 5 x2 + 5