Answer:

Step-by-step explanation:
The formula of a volume of a cylinder:

r - radius
H - height
We have the radius r = 12cm and the height H = 20cm. Substitute:

The formula of a volume of a cone:

r - radius
H - height
We have the radius r = 8cm and the volume V = 2880πcm³. Substitute:

Number one is the correct one i think
Take 5 to the left:
(10×5)x = y
50x = y
Answer:
-8
Step-by-step explanation:
●Answer attached●
☆Hope it helps☆