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▹ Answer
<em>12</em>
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▹ Step-by-Step Explanation

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Answer:

.
Step-by-step explanation:
Arithmetic sequence

.
First step, find its difference



.
So, we get


.
Finally, Let's find the 75th term




Answer:
-99
Step-by-step explanation:

Answer:
3/13
Step-by-step explanation:
First...
What we know
1. There is a set of 13 shapes.
2. With 2 triangles, 8 arrows, and circles.
Next...
Take the number of triangles and arrows and add them up.
2 + 8 = 10
Finally...
Convert it into the fraction 10/13 and subtract it by the total 13/13.
This results 3/13.