You can
put this solution on YOUR website!
This problem is asking you to find the Fahrenheith for each of the given Celsius temperatures -10, 0, 15, 100.
----What's F when C=-10
substitude -10 for C
becomes

becomes

----What's F when C=0
substitude 0 for C
becomes

becomes

----Now you repeat the process for when C=15 and 100