Answer:
City M was colder than City L because −7° F < −2° F
Explanation:
-7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7
The farther right you go, the greater the number The farther left you go, the smaller the number
-7 is farther left than -2, so -2 is greater