The square root of 89 is rational or irrational and why

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Solve for n? [tex]z = \frac{3}{4} mn[/tex]