A shoe store bus its inventory at a wholesale market and increases (marks up) the price. Then buy the shoes for $57 and marks it up by 50% . How much do they increase the price by?

yes

step-by-step explanation:

c. (3,2,6) is the answer.

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

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mrb

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

the first option is the answer.