Answer:
7 hours
Step-by-step explanation:
First you subtract 20 from 69, as the starting fee. That leaves you with 49. 49/7 = 7 hours
I am hundred percent sure yur answer is 10
You can use many methods but the way I do it is just multiply it out and you get 215,865
The answer is C. Hope this helps :)
No, it is not. it can't be factored properly either. x^2+8x+16 however is a perfect square
