What is 80% of 21000?

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

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?