1. Start with the expression: 2(n + 8)
2. Substitute the starting number 7 for n: 2(7 + 8)
3. Add 7 and 8: 2 \times 15
4. Multiply 2 and 15: 30
The final number is 30.
Frequently asked questions (FAQs)
Question: How many different types of triangles can be formed if we consider their side lengths, given that the shortest side is 4 cm, the longest side is 8 cm, and all sides must be integers?
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What is the dot product of vectors A = (4, 2) and B = (3, -5)?
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What is the minimum and maximum value of the quadratic function f(x) = 2x^2 + 4x + 1?