Triangle PQR and RST are similar right triangles. Which proportion can be used to show that the slope of is equal to the slope of A 3−7−4−(−7)=−5−32−(−4)\frac{3-7}{-4-\left(-7\right)}=\frac{-5-3}{2-\left(-4\right)} −4−(−7) 3−7 ​ = 2−(−4) −5−3 ​ B 3−(−4)7−(−7)=−5−23−(−4)\frac{3-\left(-4\right)}{7-\left(-7\right)}=\frac{-5-2}{3-\left(-4\right)} 7−(−7) 3−(−4) ​ = 3−(−4) −5−2 ​ C −4−(−7)3−7=2−(−4)−5−3\frac{-4-\left(-7\right)}{3-7}=\frac{2-\left(-4\right)}{-5-3} 3−7 −4−(−7) ​ = −5−3 2−(−4) ​ D −4−(−3)−7−7=2−(−5)−4−3\frac{-4-\left(-3\right)}{-7-7}=\frac{2-\left(-5\right)}{-4-3} −7−7 −4−(−3) ​ = −4−3 2−(−5) ​