Answer:
p=7/2
Step-by-step explanation:
Rember that a p series can be represented by

Here, notice that

This is true for all parts of the series because

So p=7/2
Answer:
Width is 3x+7 units
Step-by-step explanation:
In the attached file
Answer:
20:5
Step-by-step explanation:
find how many parts (5)
25/5=5 (1 part)
5*4=20
5*1=5