How many minutes are in 91/4 hours?

How to do this , and can some one explain

Afunction g(x) has x-intercepts at (, 0) and (6, 0). which could be g(x)? g(x) = 2(x + 1)(x + 6) g(x) = (x – 6)(2x – 1) g(x) = 2(x – 2)(x – 6) g(x) = (x + 6)(x + 2)

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b