The formula for the slope between two points \((x_1, y_1)\) and \((x_2, y_2)\) is:
\[ m = \frac{y_2 - y_1}{x_2 - x_1} \]
Given points are \((-3, -5)\) and \((2, 10)\).
\[ m = \frac{10 - (-5)}{2 - (-3)} = \frac{10 + 5}{2 + 3} = \frac{15}{5} = 3 \]
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