I think b because all the other lines are the same length and b lines aren’t
The answer is 30, hope this helps.
35 divided by 7=5 so there's 5 books on each shelf
Answer:
area = 121.5
Step-by-step explanation:
See below for a plot and the integral. We assume you are interested in the entire bounded region.
__
![\displaystyle\text{area}=\int_{-5}^4{(20-x-x^2)}\,dx=\left.20x-\dfrac{x^2}{2}-\dfrac{x^3}{3}\right|_{-5}^4\\\\=20(4-(-5))-\dfrac{4^2-(-5)^2}{2}-\dfrac{4^3-(-5)^3}{3}\\\\=180+\dfrac{9}{2}-63=121.5](https://tex.z-dn.net/?f=%5Cdisplaystyle%5Ctext%7Barea%7D%3D%5Cint_%7B-5%7D%5E4%7B%2820-x-x%5E2%29%7D%5C%2Cdx%3D%5Cleft.20x-%5Cdfrac%7Bx%5E2%7D%7B2%7D-%5Cdfrac%7Bx%5E3%7D%7B3%7D%5Cright%7C_%7B-5%7D%5E4%5C%5C%5C%5C%3D20%284-%28-5%29%29-%5Cdfrac%7B4%5E2-%28-5%29%5E2%7D%7B2%7D-%5Cdfrac%7B4%5E3-%28-5%29%5E3%7D%7B3%7D%5C%5C%5C%5C%3D180%2B%5Cdfrac%7B9%7D%7B2%7D-63%3D121.5)
Answer:
y = -4x + 9
Step-by-step explanation: