Quadrilateral abcd is reflected across the x-axis and then reflect across the y-axis to form quadrilateral a′b′c′d′. if the coordinates of vertex a are (-7, 3), what are the coordinates of vertex a′?
a.
(7, 3)
b.
(-7, -3)
c.
(7, -3)
d.
(-7, 3)
e.
(3, 7)

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.