Because the ones place is under 5, we round down, and 392 becomes 390 when rounded to the nearest 10
All the angles are different. And It's concave.
The price for each cd equals 9.95 so I would estimate it to 10$
The least common multiple is 2
-5m - 6 >= 24
Add six on both sides
-5m >= 30
Divide by negative five on both sides
m >= -6