Help please final exam

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3

The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.which is the residual value when x = –2? a)–2 b)–1 c)1 d)2