Part a is 2x+5 because you add monday’s equation and tuesday’s
part b is 7x+2 because you add all equations together
You need to ask the question while you say you have troubles, But what can I help you with?
-4.08 is greater than -4.7 since its negative
ex: -1 is greater than -2 since -1 is closer to zero than -2
Y=4 when X=1
So it mean y=4(1)
Y=4
X equal 1 when they don't give you the number