Which of the following will result in a rational answer? Which number is not a rational number?

Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2