Mee
a commercial horsefeed is mixed and 15 pounds of corn to 40 pounds of oats. how many pounds of corn should be mixed with 3 pounds of oats?

2.83941151 would be the answer you're looking for! : )

19

step-by-step explanation:

x equals 1

step-by-step explanation:

f(4)=f(×)

x=1

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!