Given:
One time payment, <em>p </em>= $300
Payment per month, <em>q = </em>$65
Number of months paid, <em>n</em> = 5
The objectiv is to find the amount she paid in 5 months.
Let <em>x </em>be the amount she paid in 5 months. Then the the formula is,

Let's substitute the values.

Hence, total amount paid in 5 months is $625.
No the vertex should be at (-3,-2) (I checked on my calculator)
Answer: D
Step-by-step explanation:
You save the most money with option D. Not in the long run though
I am learning Geometry right now. And then I don’t know can I help you or not.