Do cats like tuna flavored treats or chicken flavored treats? Cats in an experiment are randomly given either tuna or chicken flavored treats and the results are recorded. Is blinding demonstrated in this experiment?
Yes, the cats don't know the difference between tuna and chicken flavor.
No, the cats know the difference between tuna and chicken flavor.
Yes, by having someone not related to the experiment review the data.
No, because the experimenters do not know which one the cats are getting.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

What are the values of each variable in the diagram below?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length