Do as indicated Use Math-Breaker-Map

1.if x varies directly as the square of y and x=27 when y=3 find x when y=6

2.if r is directly proportional to to s and r=12 when s=6 find s when r=36

3.y varies inversely as x and y=8 when x=18 find x when y=9

4.s varies inversely as the square root of r and s=3 when r=4 find s when r=81

5.20 men can finish a job in 30days in how many days can 12 men finish the same job

PLEASE ANSWER THIS QUESTION I REALLY NEED NOW THANK YOU...​