Please help, I’ll mark you as brainliest

10

Step-by-step explanation:

I believe it's D.

Step-by-step explanation:

$40 - 25÷100 = $39.75

$39.75 - $5.00 = $34.75

$34.75 - $2 = $32.75.

not confident with my answer though.

hope it helps. :)

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!