Lori cook has deveoped the new model y=40.0+4.20x where y=demand for kool air conditioners x= the outside temperature (fahrenheit)
a.) When the temeprature outside is 70 degrees F, Demand forcast= ____ air conditioners
b.) When the temp outside is 80 degrees F demand forcast = _____ airconditioners
c.) When temp outside is 90 degrees F demand forcast = _____ air conditioners