What expressions are equivalent to 35d-25?

You didn't give the options.

Step-by-step explanation:

each one of the sides is equal to 7d-5

Step-by-step explanation:

a regular pentagon has 5 sides of equal length.

the perimeter of a regular pentagon is given by

P = 5s where s is the side length

35d -25 = 5s

divide each side by 5

(35d-25)/5 = 5s/5

7d-5 =s

need more information

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!