If 2/3 of a number is 1/2, then 1/6 of the number is... plz help me, I need it by friday if you don´t mind

See attachment below and find the equivalent of tan(∠qsr)

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when equals y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample