What is b output when the input, a is 6
b=-1-7a

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.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39