What is the sum of 4x^2+2x-54x 2 +2x−54, x, squared, plus, 2, x, minus, 5 and 7x^2-5x+27x 2 −5x+27, x, squared, minus, 5, x, plus, 2?

Why do you think electric energy for households is generally supplied by power plants instead of by an electric generator at home.

Late at night some traffic signals change patterns and become ?

These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition