Ms. thomas buys 3 pounds of sliced ham to make sandwiches. it takes 1 3 lb of ham for each sandwich. how many ham sandwiches can ms. thomas make with the ham she's purchased? a) 3 sandwiches b) 6 sandwiches c) 9 sandwiches d) 12 sandwiches

Option C

Step-by-step explanation:

we know that

using proportion

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!