Do you have a picture for your question
Answer:
42
Step-by-step explanation:
Do it by your self ok ???
For the first question the answer is C(n)=0.75n-0.25
for the second question the answer is y=2x
.20 is a rational number between -1/4 and 2/5.
It can be part of a ratio.
20:100
A fraction
20/100 or 1/5
I hope this helps!
~cupcake