You want to solve for x so add 18 from both sides of the equal sign. making it 3x=12. then divide both sides by 3 making x=4. x is 4.
Answer:
A) The temperature dropped 12 degrees over 3 hours. How much did it change each hour.
Step-by-step explanation:
This is the only one that makes sense. If you were to divide 12 by 3 you would get 4 degrees dropped every hour. The other two answer choices are just complety wrong.
When you have lines in graphs for ex
Y=2x+7
2x is the rate of change
7 is the instant amt if the x=0 (or the y-intercept)
Answer:
3.25
Step-by-step explanation:
its like that just multiply