B=1.4
Is the answer.
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Answer:green area- triangle area = 72-9 = 63
Step-by-step explanation:
Answer:
C
5(10)+10=60
-2(-5)+7=17
Step-by-step explanation:
Answer:

Step-by-step explanation:
We are given that Ben has a cell phone plan that provides 200 free minutes each month for a flat rate of $39.
We are also told that For any minutes over 200, Ben is charged $0.35 per minute.
let x be the minutes used each month
So, if 
So, coat will be $39
If 
So, Ben is charged $0.35 per minute
So, when 
So, charge = 
So, the piecewise functions accurately represents charges based on Ben's cell phone :
