Which represents the solution(s) of the system of equations, y= x^2 - 4x - 21 and y = -5x - 22? determine the solution set algebracically.

TO determine the solution set of the equations given above, we can use substitution method. We do as follows:
y = –x2 + 6x + 16 and y = –4x + 37
 –x2 + 6x + 16  = –4x + 37-x^2 +10x -21 = 0x = 7 and 3y = 9 and 25

Yes you do, so £1973.09 - £1473.50 = £499.59 so tim overpaid £499.59 .hope this ; )