A sum of money is divided between Mohan and Sohan in the ratio 5:7 . If Sohan's share is ₹665, find the total amount.​ please help me fast.

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

With number 11 ( show how you got the answer)