ASE Factor each perfect square trinomial
4x² + 4x (5y - 3) + (5y - 3) ²

I’d also like to know exactly how to solve other problems like this...

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.