What is the greatest common factor gcf gcf of 12 and 18

Solve the system of equations. y= 2x y= x^2 - 15

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.

Solving algebraic equations 2m+3=11