Which of the answer choices shows represents the situation below? Africa has run 7 miles so far this year, and will run 85 more miles each month. How many miles will Africa run total after x months?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

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