It costs $3.56 to buy a pack of pencils. which of the following equations shows the amount of money needed, x, to buy k packs of pencils?
x = 3.56k
k = 3.56x
x = 3.56 + k
k = 3.56 + x

With math question will mark brainliest question in the pic.

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

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.