On a coordinate plane, rectangle E F G H has points (negative 2, 1), (negative 4, 1), (negative 4, negative 2), (negative 2, negative 2). Rectangle EFGH is rotated 180° around point O.

What are the coordinates of G’?
G’(–2, –2)
G’(–4,–2)
G’(2, –4)
G’(4, 2)

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?