Which of the following best describes the algebraic expression
o
a. a number divided by three minus fifteen,
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b. three divided by a number minus fifteen,
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c. a number divided by three less than fifteen.
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d. three divided by a number less than fifteen.

the 3rd option is right

step-by-step explanation:

the answer is a

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!

30005

yes ok