D. -2.
Step-by-step explanation:
2(x-4) + 3x - x2 for x = 3
= 2(3-4) + 3(3) - 3^2
= 2(-1) + 9 - 9
= -2 + 9 - 9
= -2.
depends on how many days you are talking about
step-by-step explanation: