Answer:
12d+3
Step-by-step explanation: multiply 3x4d and 3x1 and you get 12d+3
Answer:

Step-by-step explanation:


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There are 10 sides becuase the equation set up is
and equal it to 144.
Solve for n and get 10
Answer:
Oh well Is that it explain more
Step-by-step explanation:
Answer:
(7,-2)
Step-by-step explanation:
First, you move to the right of y-axis like 5 to 7,
then you movie to the up of x-axis like -5 to -2.
So the answer was (7,-2)