the cost of producing a smartphone is $42.73 per phone. Additionally the smartphone company pays a flat rate of $175 to ship each stores order. write an equation to model the cost for the smartphone company. y to produce X number of smartphones and ship them to one store

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.

Three times the sum of a number and seven is negative thirty-six. what is the number?

Find the domain of the following expression: 1/(√x)-2