Answer:
-3x - 7 is the furthest it can be simplified
The samples he chose may not be a representative sample because the number of students per foreign language class may not be the same. One class may have a very large number of students while another may have only a few. Taking equal number of students per class is not a representative sample.<span />
Answer:
4
Step-by-step explanation:2 add 2 more =4
Answer:
-1
Step-by-step explanation: