No, you do not have to line up the decimals.
Answer:
Not Proportional
Step-by-step explanation:
A
B is incorrect because commission=0.1x
C is incorrect because base pay is 20,000
D is incorrect because highest pay is out question
Rational,real,integer,whole number,natural number
Answer:

Step-by-step explanation:
Simplify:


Group same factor:

Add :

Apply the distributive law: -(a+b) = -a - b


Group same factor:

Subtract:

Add:

Group same factor:

Hence answer = 
<u><em>~lenvy~</em></u>