Answer:
15
Step-by-step explanation:
15f-60=15×5-60=75-60=15
Answer: Many utility companies promote energy conservation by offering discount rates to ... who keep their energy usage below certain established subsidy standards. A recent EPA report notes that 70% of the island residents of Puerto Rico have reduced their electricity usage sufficiently to qualify for discounted rates.
Step-by-step explanation:
(4x2-2x)(3x2-2x+1)=
(8-2x)(7-2x)=
56-16x-14x+4x^2= (^2 means squared ;) )
4x^2-30x+56