Whats the steps to solve this problem 2n+9n-8=27

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.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Solve 2^x=32 and rewrite this equation in a logarithmic form