Name the intersection of plane R and S

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

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.

Which statements about these triangles is true