Plss help with this math!! i will give brianliest to the correct well explained answer.

13. For every 5 wolves there are 3 cougars in a forest

4. You and your friend are not traveling at the same pace; your friend is traveling faster

Step-by-step explanation:

4. set same denominator

63/12

21/3 = 21*4 3*4 = 84/12 (your friend)

84/12 is traveling faster

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!