Answer:
≈ 565.5 units²
Step-by-step explanation:
The area (A) of the shaded sector = area of circle × fraction of circle
A = πr² ×
← r is the radius
= π × 20² × 
= 400π × 0.45 ≈ 565.5 units²
Answer:
to get what he kept subtract 5 from 18, to get 13 so 13 was kept. the ratio will be kept:sold which is 13:5
Answer:
2
Step-by-step explanation:
3 - 1 = 2
Answer:
A, B, D
Step-by-step explanation:
The points that lie in the overlapped area (purple), or on the blue line, are solutions to the system.
Hope that helps! :D