4x - 5y = 15 2x - y = 9
5. In the system of equations shown above, what is the value of 3x – 3y?
A) 9
B) 12
C) 15
D) 24

How would i word a theoretical question to describe the linear relationship between states, gender, and age of individuals who were in fatal alcohol-related traffic accidents?

Mark the brainliest 19 points for you a student uses a liquid thermometer to measure the temperature of a substance in a beaker during science class. the teacher says that the measurement is incorrect. which are the most likely reasons the liquid thermometer could have measured the wrong temperature? check all that apply. the thermometer was not calibrated electronically. the software connected to the thermometer had errors. the bulb of the thermometer was touching the beaker. the thermometer's bulb was not submerged in the substance. the student stirred the substance with the thermometer.

When 2 is subtacted from 5 times the the result is 13. what number result when 4 times x is added to 1 ?