-19.2
12/(-5/8) means 12*(-8/5)
12*8=96
96/5=19.2
don’t forget the negative sign
so
-19.2
1. Add all of the numbers together
2. Divide the answer by how many different numbers there are (so 10)
The mean to the nearest tenth is
356.8
4222.3 is the volume of the cylinder. If you want me to explain step-by-step just comment.
Last choice the area becomes 25 times greater