For vector $\vec{A}$, we have $A_x = -1.5 - (-2.5) = 1$ and $A_y = 3.5 - 2 = 1.5$. For vector $\vec{B}$, we have $B_x = 2.4 - (-1.5) = 3.9$ and $B_y = 1 - 2.5 = -1.5$. For vector $\vec{C}$, we have $C_x = -3 - (-3) = 0$ and $C_y = -4 - (-1) = -3$.
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