Together, Sam and Fred can mow a big lawn in 8 hours. If Sam alone can mow the lawn in 24 hours, then Fred alone can mow the lawn in (insert answer) hours.

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.