Answer:
82 ducky grouses, 41 trumpeter swans, 26 sand hill cranes, 164 chikadees
Step-by-step explanation:
The equation 2 has a graph which is a straight line.
Why?
We can know which of the given equations has a graph which is a straight line just checking the exponents of the variables.
We must remember that every variable that has an exponent equal or higher than 2 (quadratic) will not have a straight line as a graphic.
So, checking the exponents from the given equations, we have:

Hence, we can see that the only equation that has a linear term (straight line graph), is the second equation.
Have a nice day!
Note: I have attached a image for better understanding.
Answer:
%60.66666...
Step-by-step explanation:
<u>Step 1: Make an equation to represent</u>
Percent change of the numbers six and four
6x = 4
<u>Step 2: Divide both sides to get a decimal</u>
6x / 6 = 4 / 6
x = 0.6666....
<u>Step 3: Convert into a percentage</u>
x = 0.6666.... * 100
x = %60.66666...
Answer: %60.66666...
<u>If you meant the other way:</u>
4x = 6
4x / 4 = 6 / 4
x = 1.5
x = 1.5 * 100
x = %150
They are not congruent because they are the same shape just flipped around