140 is 70% of what number in a proportion

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily