Which shows the pre-image of quadrilateral W'X'YZ before the figure was rotated according to the rule (x, y) - (-x, -y)?

Harry’s soccer team plays 2 nonconference games for every 3 games that they play against conference opponents. if y represents the number of nonconference games and x represents the number of conference games, which equation best models this proportional relationship? a)y=2/3 x b)y=3/2 x c)y = 2x d)y = 6x

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21