Hector planted 185 flowers in 2 days. there were 5 volunteers, including hector, who each planted about the same number of flowers. about how many flowers did they plant?

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right

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!