Josiah downloads 44 songs including a 16 songs by his favorite band. What is the decimal form of the number of songs by his favorite band of Joshua download it out of the total number of downloads. Possible answers 0.3636... songs, 28.0 songs, 2.75 songs, 60.0 songs.

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cutie~

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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!

step-by-step explanation: