Is necessary because researchers in the social sciences almost never have enough resources — time or money — to collect information about the entire set of subjects of interest to them.

step-by-step explanation:

the first 5 right here the next 5 i will upload as separate question

i think the answer is b.

step-by-step explanation:

not 100% sure though.

"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.

answer: 270

step-by-step explanation:

you have to times 200 by 1.35 to get your answer