Pls help with the question (also lmk how to award brainliest and I will)

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

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