The radius of a circle is 5 centimeters. What is the circumference of the circle?

Which of the following is the formula for the sequence graphed below

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.

One integer is 8 times another. if the product is 72, then find the integers