If f(x)=x^2-81 and g(x)=(x-9)^-1(x 9), find g(x) * f(x)

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Adeposit of 5500 at 6% for 3 years equals

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge