The first answer in Question A is Business Plan and the second answer is $3 less.
The first answer in Question B is 12 and the second answer is Residential Plan.
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 />
I would say the answer is 5, please let me know if it’s right!
You can use the prefixes to figure this out:
Mono: one
Bi: two
Tri: three
So, because there is only one term, it is a monomial.
C. 3.5
You have to go to -2 on the “X axis” and find the corresponding “Y” value on the line.