Which set of expressions are not equivalent? 3(3a) + a(3 a) and 3a² + 9 a

5(3 x) - 4(3 x) and 3x

4(3 a) - 2(4 a) and 4 a²

4 x( x) +3(2 x) and 4x² + 6 x​

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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.

What is the equation of the line graphed?