at a bus station buses begin their routes at 6am. Bus A (longest route) leaves every 75 min. Bus B (short route) leaves every 15 min. what is the next time Bus A & Bux B will leave at the same time. i appreciate the answers but I need this answer to be listed as either LCM or GCM

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

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.

True or false? a circle could be circumscribed about the quadrilateral below.