Plz help, I’ll give you brainliest just plz help me, I am the worst at math so plz help

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2