Pls asap , examples are 1& 3 i need with 2& 4 . 15 points

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

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5