On average Susan downloads 60 songs per month in online music Bender sales packages prices for sounds that can’t be downloaded onto personal digital devices The graph below shows the package prices for the most popular promotion Susan wants to know if she should buy her music from this company or pay a flat fee of $50 per month offered by another company

i dont know i just need points

u dumb boi

step-by-step explanation:

step-by-step explanation:

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!