What is the measure of angle B, length of BC and length of AC

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

1foot = 12 inches; 1 yard = 3 feet

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.