Write the equation of the parabola with vertex (2, -3) and focus (2,-5) in the form (x – h)^2= 4p (y – k) or (y – k)^2= 4p(x – h).

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

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

What is the distance between point a and b