Answer:
Sampling Error
Step-by-step explanation:
When the researcher randomly selected 200 people, he is creating an sample or subset from the population, that would be all the people in the earth. The error obtained was product of the fact that the analysis he made was estimated from the sample and not the whole population. There is no other mentioned factor that could cause an error, so the answer would be a sampling Error.
K(cannot equal (the = sign with the line through it) -2
k(=/)-2
Answer:

Step-by-step explanation:
Given



Required
Determine the length of AB
Because A'B'C'D is a dilation of ABCD, then the following relationship must exist:

Substitute values for A'B', B'C' and BC

Express the ratio as fractions:

Multiply through by 14





Answer: 3x-5
Step-by-step explanation:
Five subtracted from three times any number can be represented as 3x-5.