Does anyone know this?!

6.3x+14 and 1.5x-6 answer in simplified form

We must first determine the shape of a rectangular prisms _ a0 to find area of the prism

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?