There are a total of 11 ducks and goats in the barn. There are 34 legs in all (each duck has two legs and each goat has four
legs).
Use substitution to solve the linear system of equations and
determine how many ducks, x, and goats, y there are. Express
the solution as an ordered pair (x, y).

(5,6)

Step-by-step explanation:

34= 2x+4y

11=x+y

coin flip

non-answer:

choosing

sorry if this isnt what you're looking for i dont really understand the question

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.