Aradio disc jockey has 8 songs on this upcoming hours playlist: 4 are rock songs , 2 are reggae songs, and 2 are country songs. this disc jockey randomly chooses the first song to play and then she randomly chooses the second song from the remaining ones. what’s the probability that both songs are rock songs?

For [tex]f(x) = 4x+1[/tex] and [tex]g(x) = x^{2} -5[/tex] find [tex](f[/tex] ° [tex]g)[/tex][tex](4)[/tex]

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?