First add the numbers together:
-13+(-5),6,(-7),9=-10
Then divide that number by the total # of numbers, which is 5
-10÷5=-2
The average low temperature is -2.
...which is 6th grade stuff, so I am having a hard time believing, that you are in college and/or are having problems with this.
Answer:
720
Step-by-step explanation:
50/8=6.25
4,500/6.25=720
This is the answer 4828.03