Aparabola with vertex (h, k) and a vertical axis of symmetry is modeled by the equation y - k = a(x - h)2. determine the vertex for a parabola modeled by y = (x − 5)2 + 8

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?