Given a≠±b and (a^2−b^2)/(a+b) =12, find a−b.

Which graph represents the parent function of y=(x+2)(x-2)

Prove that 16^4-2^13-4^5 is divisible by 11.

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?