A sample in which every person or object does not have an equal chance of being selected. (Mark as brainliest)
Answer:
can u cmt the question
Step-by-step explanation:
because i cant see the picture
Answer:
This statement is "TRUE".
Step-by-step explanation:
Every elementary row operation is reversible. You can get the reverse answer by multiplying by a constant or by multiplying by its inverse. You can add one row to another row and subtract row 1 from row 2 to get it back.
Answer:
Option C
Step-by-step explanation:
