Answer:
I'm not sure for my answer but is B
I'm gonna put the steps
Step-by-step explanation:
x2−4x−12as(x+p)(x+q)
=−12apqs−12apsx−12aqsx−12asx2+x2−4x
C. The way the sample was chosen may overrepresent or underrepresent students taking certain language classes.
The samples he chose may not be a representative sample because the number of students per foreign language class may not be the same. Since classes have different numbers of students, one 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 because it doesn't represent the students correctly.
88.2 is your answer, have a nice day
Answer:
3
Step-by-step explanation:
look for the greatest exponent
i think the answer is the second choice √9+√9=2√9
<em>Hoped this helped!</em>