Angel dilates the photograph , rectangle ABCD , scale factor with 1/2 the center of dilation at the origin to form rectangle A^ prime B^ prime C^ prime D^ prime and then translates rectangle A^ prime B^ prime C^ prime D ' 3 units down to form rectangle A^ prime prime B^ prime prime C^ prime prime D^ prime What are the coordinates of vertex D ?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

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