What main idea is Churchill trying in this age passage

Find and simplify an expression for the area of five rows of square with side lengths of x

Is revlon performing better or worse than it was the previous day? how do you know?

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal