Marcelino claims he will raise a lot of money by selling each balloon for $1.25. Which statement is true about the amount of money he will make if he sells all of the balloons?
Marcelino will only make a profit of $7.50; each balloon costs $1.50, so he's making $.25 on each balloon
Marcelino will break even; his cost will equal his profits.
Marcelino will have -$7.50: his costs are more than his profits,
Marcelino will raise $45.00; each balloon raises $1.50.

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step-by-step explanation:

i hope this : )

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

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step-by-step explanation:

it would open into a square depending on the type of envelope i’m not sure about the second part