Which equation shows an example of the associative property of addition?

(4+1) + 41 = 4+ (i + 41)
(4+1) + 4i = 41+ (-41 +1)
41-(-4i + ) = (41 - 41) + (411)
(-41 + 1) + 0 = (-41 +1)

Im literally having a mental breakdown

Write a function rule for the table. hours worked pay 2 $16.00 4 $32.00 6 $48.00 8 $64.00 p = 16h p = 8.00h p = h + 16 h = 8.00p

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.