A coordinator will select 7 songs from a list of 10 songs to compose an events musical entertainment lineup. How many different lineups are possible

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

Given a binomial distribution variable with n=20 and p=0.60 find the following possibilities using the binomial table a) p(x < 13) b) p x > 15) c) p(x = 17) d) p(11 < x < 14) e) p(11 < x < 14)