Interpreting Function Graphs Digital Matching Activity

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

The function f(x) is shown in this graph the function g(x)=6x

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet