Answer:
A
Step-by-step explanation:
A is biased because those people at the grocery store will most likely like that grocery store, since they went there to shop in the first place.
B, C, and D are not biased because there is no correlation between the grocery store and the survey questions.
The units change by 88 to 87 so the unit decrease by 1 I think
7^-2= 1/7^2
= 1/14
= 0.071429
I can’t see the options lol show them
Answer:
A. The lines stay parallel
Step-by-step explanation:
Rigid transformations do not change angle or line relationships. When the parallel lines are rotated they stay parallel. Reflecting them will keep them parallel. If this were not true, then figured with parallel lines like rectangles and squares would change shape when reflected.