Which graph represents a proportional relationship?

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.