Answer:
i like how to tell us to answer something with no file
Step-by-step explanation:
The answer is D, that is negative
Randomly assigned group. the art class isn't random and only consists of a select type of people--it is not a representative sample; maybe more left handed people enjoy art than do right handed people! therefore, even though the randomly assigned group is smaller, it is the better estimate.

Move all the x's to one side of the equation. This is a step necessary to solve this equation.
Subtract both sides by x.


Flip equation. We always want to have the variable written on the left side.

Subtract both sides by 26.


Divide both sides by 4 to finish this off.

That's your answer. Have an awesome day! :)