-3.5°C is 3.5 degrees warmer than -7°C.
0 degrees Celsius is equal to 273.15 degrees Kelvin.
8 degrees Celsius is equal to 46.4 degrees Fahrenheit.
80 degrees Fahrenheit is equivalent to 26.7 degrees Celsius.
37.7 degrees Celsius = 99.86 degrees Fahrenheit.
51.3 degrees Celsius is equal to 124.34 degrees Fahrenheit.
235
-12
240
-3.5
206 degrees
12
256 degrees.
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The temperature had risen from -2 degrees Fahrenheit in the morning to a warmer temperature by noon. The exact number of degrees it had risen would depend on the new temperature at noon.
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This question begs the benefit of the doubt ... that it conflates two separate questions cleverly, rather than blindly. The answers to both are: 1). 15°C is the warmer temperature. 2). It exceeds the other one by 12°C.