Firefly69go Firefly69go Math Answered Let's PracticeSolve for the unknown in each number. Write your answer in a separatesheet of paper. Write your complete solution.1. Given n = 9 and r = 5, find the number of combination of objects.2. C(122) = 213. C(11,5) =4. C(9.7) = 845. C(12.7) =