Answer:

Step-by-step explanation:
The composite solid consists of a cylinder and a cone. Therefore, its total volume will be the sum of the volumes of the cylinder and cone:
Volume of the cone: 
Volume of the cylinder: 
Thus, the total volume of the solid is:

Answer:
[insert name here] drove his scooter around. When he started, his speed increased constantly to 10 mph (O-A). He cruised at 10mph for a few seconds. (A-B) Then he slowed down (B-C) and stopped for a few seconds (C-D). He then started speeding up (D-E) and cruised for a few more seconds. (E-F)