a circle has a diameter of 6cm what's the difference between the area and the circumference of the circle?? pls help i have 1 minute

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

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.