14m - 9n + 2n -3(3m - 4)

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?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?