What is the Factor 4m^3-32n^3

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?