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The image presents a problem about creating an arithmetic sequence using a selection of four numbers from a given set: 42, 31, 19, 15, 25, and 37. The goal is to create an increasing sequence and calculate the common difference as well as the 15th term of the sequence using the arithmetic sequence formula.

### Step 1: Identify an Arithmetic Sequence
An arithmetic sequence has the property that the difference between consecutive terms is constant. We need to select 4 numbers from the given set that can form such a sequence.

Looking at the numbers:
- 15, 19, 25, and 31 form an arithmetic sequence with a common difference of 6.

Sequence: 15, 19, 25, 31.

### Step 2: Common Difference
The common difference \( d \) is the difference between any two consecutive terms in the arithmetic sequence. From the sequence above:
\[
d = 19 - 15 = 4, \quad 25 - 19 = 6, \quad 31-25 = 6 
```


Make an Arithmetic Sequence by arranging 4 of the numbers: 42, 31, 19, 15, 25, and 37. Find the common difference and the 15th term.

Learn how to solve an arithmetic sequence problem by arranging four numbers (42, 31, 19, 15, 25, and 37) and finding the common difference. Step-by-step guidance on calculating the 15th term using the arithmetic sequence formula. Suitable for students in Grades 8-10.

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