Where is the function 4(x + 4)(x - 6)3 > 0? HELP PLEASE HURRY

Two lines that do not intersect are skew. always sometimes or never

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.

What other information do you need to prove triangle dac=bca by asa