Carrie recorded the temperature outside her school at the same time each day for four days. On Monday, the temperature was 11 degrees. On Tuesday, the temperature was 15 degrees less than the temperature on Monday. The temperature on Tuesday was (choices 4 degrees, -4 degrees, 16 degrees)? The temperature on Wednesday was 3 degrees greater than the temperature on Tuesday.
The temperature on Wednesday was ( -1 degrees, -4, 1 degrees )?

On Thursday, the temperature was 4 degrees greater than the temperature on Wednesday.
The temperature on Thursday was ( -6 degrees, 6 degrees, 3 degrees )?

What was the difference in degrees Fahrenheit between the temperature on Monday and the temperature on Wednesday?

The difference in temperature is degrees.

Carrie also recorded the temperature outside her school on Friday. She calculated that the mean temperature for the 5 days, Monday through Friday was 2 degrees. What was the temperature in degrees Fahrenheit on Friday? Show or explain how you got your answer.

Please help me with my homework! Thank you!