149 cars are waiting to take a ferry across the channel. each ferry can only hold 18 cars. how many trips will it take to get all the cars across?

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.

Use circumcenter theorem to solve for the given values

How do i put 3(x+7) in distributive property