Answer:
4
Step-by-step explanation:
You call the number x. Then you do (x-7) * 3=-9.
3x-21=-9
3x=12
x=4
It will be the last one since it is the one that makes more sense.
I have found the options elsewhere and they are as follows:
the slopes must be positive
the slopes must be negative
their slopes are equal
the slopes are opposite reciprocals.
From the choices, I think the correct answer would that their slopes are equal since they are parallel lines and never intersect.
Carrie has 135
Eve has 112
Answer:
4.5° per day
Step-by-step explanation:
Temperature Drop:
3 Days = 13.5°
1 Day = 13.5° ÷ 3 = 4.5°
The temperature dropped 4.5 degrees per day
Hope this helps :)