Awoman at a point a on the shore of a circular lake with radius r=4 wants to arrive at the point c diametrically opposite a on the other side of the lake in the shortest possible time. she can walk at the rate of 10mph and row a boat at 5mph. what is the shortest amount of time it would take her to reach point c?

:i need some real : a store sells shirts to the public at one pricing scale and wholesale at another pricing scale. the tables below describe the cost, y, of x shirts. (after tables) how do the slopes of the lines created by each table compare? the slope of the public table is 3/4 of the slope of the wholesale table.the slope of the wholesale table is 3/4 of the slope of the public table.the slope of the public table is 12 times greater than the slope of the wholesale table.the slope of the wholesale table is 12 times greater than the slope of the public table.