The answer is 20p. P represents the number of boxes she buys and 20 is how many pens are in each box.
(<span>used with a singular verb</span><span>) the systematic treatment of magnitude,relationships between figures and forms, and relations betweenquantities expressed <span>symbolically</span></span>
Answer:

Step-by-step explanation:
Area = pi*r^2
Area = pi*9^2
Area = 
Answer:94.2 m
Step-by-step explanation:
Answer: all points
that satisfy
Step-by-step explanation:
The slope of the line is

So, substituting into point-slope form, the equation is

Therefore, all points
that satisfy
will lie on the same line.