HELP ASAP / GEOMETRY

The inner radius of the circle below is 2 cm. What is the outer radius?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls