Which rule represents the dilation that has been applied to pentagon NPQRS to create a pentagon N’P’Q’R’S ? A (x, y) —-> (3x, 3y)
B (x, y) —-> (x + 2, y)
C (x, y) —-> (2/3x, 2/3y)
D (x, y) —-> (3/2x 3/2y)

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours

The table below shows the angle measurements for triangle abc and triangle xyz. if triangle abc is similar to triangle xyz, what does angle z equal, in degrees?