Which studies are observational? Select all that apply. A. A worker for the Department of Motor Vehicles compares the age of drivers to the age of the car owned by the driver.
B. A worker for a hospital compares the cholesterol level of patients treated for a heart attack to the patient’s outcome, recovery or death.
C. A researcher used an ice pack to treat migraines for participants in one group and used a standard migraine relief drug with another group
D. A researcher gave one group of dogs food that contained grains and another group of dogs grain-free food and compared how often the dogs in each group scratched their skin.
E. A researcher observed drivers stopping at a toll booth to see if women or men were more likely to be wearing a seat belt.

ok so the answer to your question is simple as long as you look at the different dimensions that contain the exemplary letters that combined in the right order give you words that eventually within the 5th dimension will conform and give you the correct answer to your question. hope i , stop looking at this easily, look at it with a spectral view.

step-by-step explanation:

told you

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.