Which function will find the difference of 15 and 3 and return 12 when the main part of your program has the following line of code? answer = subtract(15,3)

def Subtract(numA, numB):
return numA - numB

def Subtract(numA, numB):
return numB - numA

def subtract(numA, numB):
return numA - numB

def subtract(numA, numB):
return numB - numA

Fast answer i need for apex ! smartphones should be banned from the classroom in public schools so that students cannot cheat on test so easily? which is an example of a counter argument to the thesis above? a.the classroom is a place for learning not for making phone calls b. smartphones are useful learning tools in the modern classroom c.banning smartphones will not students pay attention to teachers any better d. banning smartphones would decreased incidents of theft