Since there isn't a picture of the graphs, I attached one, of my graph, to this answer.
I'm also assuming (y2 2x+1) is actually (y< 2x+1).
Possible solutions are within the purple section of the attached image.
I hope this is helpful to you.
Answer:
11 17/21
Step-by-step explanation:
![\pi /6](https://tex.z-dn.net/?f=%20%5Cpi%20%2F6)
is the only acute angle whose sin = 1/2. Therefore, cos (
![\pi /6](https://tex.z-dn.net/?f=%20%5Cpi%20%2F6)
) =
280,000 should be recorded in Ritts Roofing's records.
43n^2-54. then do the exponent part your self! :)