Help me! the answer is not unit

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)

What is the ordered pair that represents the linear inequality y< 6x-4