Please put in simplest form.
5/8 times 2 2/3

The circumference of a circle is 5 pi cm. what is the area of the circle?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Write an equation for the function that includes the points (1,4/5) and (2,2/3)