Question

People expect higher standards of living and the latest devices gobble up energy. We still use a lot of fossil fuels, like oil coal and gas.

In the past 200 years we have used over two thirds of the world's resources already and need to use more renewable energy.
How will you power your city?

Answer 1

Which polynomial has factors of 4x – 7 and x + 4?

3x2 + x – 3

4x2 + 9x – 28

3x2 – 7x – 3

4x2 – 23x – 28

Step-by-step explanation: