During a week in January in Denver, CO, the daily high temperatures were -2˚F, 12˚F, 5˚F, -4˚F, 20˚F, 16˚F, and -12˚F. Write an expression that can be used to find the difference between the highest temperature and the lowest temperature of the week

20˚F - (-12˚F)

Step-by-step explanation:

Highest temperature of the week = 20˚F

Lowest temperature of the week = -12˚F

The difference between the highest and the lowest temperature actually means to subtract the lowest from the highest temperature.

The required expression is;

20˚F - (-12˚F)

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)