HELPPP MEEE PLEASEEE IM DYING HERE

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Which graph represents the equation y =4x

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?