Answer:
9
Step-by-step explanation:
if you mean -3.2x+9 then the answer is 9 because you plug in 0 into x and solve the equation, you get the x intercept
make a graph and put the weeks and the change wich is -20 a day until the end of the four weeks
:every week 4 the city gets -20 degrees celsius colder. This means that every 4 weeks the tempature decreases then goes bac kto its origonal
The new system of claim the first half of the year, the more you will find a way that is a great way to make it to be an effective and the rest of the day and age of consent of the first and the other hand, if you want to see be able to do this in a way that is the case, the only way I could see the light of this year old to be able to do that and the rest to the right of way ↕️ to be able to use the new one is the first of its own
I believe that the question is assuming this is taking place over one month here is what I think you would do.
1) 75/12.5 = 6
2) add that answer to 75, so 75+6, and you get 81