Number 3 only please. I suck at mathematics and it would mean a lot if someone helped me

Urgent? will give brainliest to the first correct answer what is the area of the figure?

Real gross domestic product: a) will increase if the price level increases. b) can change from one year to the next even if there is no change in output. c) will increase if the level of output increases. d) is a measure of inflation.

Which linear inequality is represented by the graph?