Question

I got like 2 questions- but uh,

1. Write at least three different expressions that are equivalent to
`(-1)/(2)\left(-12x+30\right)`
2. The output from a coal power plant in megawatts (MW) is shown in the table.
Is the energy output proportion (the screen shot goes with this :D )

Answer 1

1. 6x - 15, 3(2x -5), 1/2(12x - 30)

2. Yes, it is proportional

Explanation:

2.

1200 divided by 2.4 = 500

1800 divided by 3.6 = 500

4000 divided by 8 = 500

10 000 divided by 20 = 500