Answer:
C. USB
Explanation:
A USB Disk allows for a Backup of the PowerPoint file in case Jack needs it in the future.
<em>r = 15 cm</em>
<em>formula</em>
<em>V = πr²×h/3</em>
<em>replace</em>
<em>4950 = 22/7×r²×21/3</em>
<em>4950 = 22/7×r²×7</em>
<em>4950 = 22×r²</em>
<em>r² = 4950/22</em>
<em>r² = 225</em>
<em>r = √225</em>
<em>r = √15²</em>
<em>r = 15 cm</em>
Answer:
Explanation:Mind mapping software can help you to make connections and become a better creative problem solver.
...
It helps you to make better decisions. ...
It helps you to become better organized. ...
You can see the forest and the trees. ...
It helps you to identify, prioritize and track key project tasks.
