Triangles L M N and L K N are connected at side L N. A line is drawn from point M to point K and intersects side L N at point P. Which additional information, if true, would help to prove that ΔLMP ≅ ΔNMP by HL? Select two options. Point P is the midpoint of MK. Line MK is the perpendicular bisector of LN. ML ≅ MP ML ≅ MN PK ≅ PK

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.