how would you solve a multi-step equation that involves the distributive property and variable terms on both sides of the equation

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?