Answer:
Each Pencil Cost 4 Dollars
Step-by-step explanation:
First you can subtract 21 by 9 to get 12 dollars which shows how much he spent.
Second you can divide 12 by 3 to get 4 dollars spent. So he spent 4 dollars on each pencil.
Add them all up and divide by 6
160/6 = 26.7
Answer:
It would be D as they are not congruent as they are to different angles
Step-by-step explanation: