Solve for x if: y = -6 and -10x + 7y = 18

A) 8
B)-18
C)-6
D)9

What is the definition of exponential decay?

True or false look at the picture pls : /

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.