You are choosing numbers from the set s ={a, b, c, d, e, f, g, h}. let x = the number of ways to choose 3 letters from s without replacement (order doesn’t matter). which option below is equivalent to x? 1.the number of ways to choose 4 letters from s without replacement 2.the number of ways to choose 5 letters from s without replacement 3.the number of ways to choose 6 letters from s without replacement 4.the number of ways to choose 7 letters from s without replacement