Math. Help I really need this giving brainliest to the person with the correct answer, please explain your answer...

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Can someone me out here and the tell me the greatest common factor

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.