A ship is sailing due north. At a certain point, the bearing of a lighthouse 3.83.8 km away is N38.138.1degrees°E. Later on, the captain notices that the bearing of the lighthouse has become Upper S 33.3 degrees E. S33.3°E. How far did the ship travel between the two observations of the lighthouse?

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.

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)