X and y are a symbols 6(3x-5)=10
6x+3=27
7x-3+-17
2+y=7
y-3=4
4+3x=20-5x
5x+2=7
16-3x=4+x
5x+3=8
7x+3=31

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

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 sum of two numbers is 12 and their difference is 18 what are the two numbers